Abrams, M., 1996, WWW beyond the basics, Lecture notes, Virginia Polytechnic University and State University
Aliada, D., 1996, Visualisation of complex models using dynamic texture based simplification, in: Proceedings of IEEE visualisation, San Francisco, pp.101-106
Ames, A.L., 1996 VRML 2.0 Sourcebook, John Wiley&Sons, Inc., New York, USA
Anton, H., 1994, Elementary linear algebra, John Wiley&Sons, Inc., New York, USA
Apache Software Foundation, 1999, http://www.apache.org
Arena 2000 project, 1999, Virtual Helsinki, http://www.helsinkiarena2000.fi/3dhelsinki/
Aronoff, S., 1995, Geographic information systems: a management perspective, WDL publications, Ottava, Canada
Autodesk, 1999, http://www.autodesk.com/
Baer, A. C. Eastman and M. Henrion, 1979, Geometric modelling: a survey, in: Computer aided design, Vol. 11, No. 5, pp. 253-272
Baucic, M., 1996, Spatial data for electric utilities, MSc thesis, ITC, The Netherlands
Bentley, 1999, http://www.bentley.com/
Bichler, M., A. Segev and J.L. Zhao, 1998, Component-based E-commerce: Assessment of current practice and future directions, in: ACM SIGMOD record, Vol. 27, No.4, 8 p.
Bishr, Y., 1997, Semantic aspects of interoperable GIS, PhD thesis, ITC publication, the Netherlands
Bodum, L., I. Afman and J. Smith, 1998, Spatial planning moves out of the flatlands, in: Proceedings of AGILE, Enschede, The Netherlands
Boyle, A., J. Dangermond, D. Marble, D. Simonett, L. Smith and R. Tomlinson, 1983, Final report of a conference on the review and synthesis of problems and directions for large scale geographic information system development, Technical report, NASA, NAS2-11246
Bric, V., 1993, 3D Vector data structures and modelling of simple objects in GIS, MSc thesis, ITC, The Netherlands
Bric, V., M. Pilouk and K. Tempfli, 1994, Towards 3D-GIS: Experimenting with a vector data structure, in: Proceedings of ISPRS, Commission IV, Vol. 30, Part 4, Athens, USA, pp. 634-640
Brisson, E., 1990, Representation of d-dimensional geometric objects, PhD thesis, University of Washington, USA
Brodie, M., 1984, On development of data models, in: On conceptual modelling, Springer-Verlag, New York, pp.19-47
Brunn, A., E. Gülch, F. Lang and W. Förstner, 1996, A multi-layer strategy for 3D building acquisition, in: Proceedings of the IAPR TC-7 Workshop, Graz, Austria, September 2-3, pp. 11-37, 1996
Bunce, T., 1999, DBI Perl API, http://www.arcana.co.uk/technologia/DBI/
Cambray, B., 1993, Three-dimensional (3D) modelling in a geographical database, in: Proceedings of the 11th International Conference on CAC (AUTOCARTO11), October, Minneapolis, USA, pp. 338-347
Campagna, S., L. Kobbelt, R. Schneider, H.P. Seidel and J. Vorsatz, 1999, Mesh reduction and interactive multiresolution model on arbitrary triangle meshes, in: Proceedings of SCCG'99, April-May, Budmerice, Slovakia, pp. 34-41
Chen, P. P. S, 1976, The entity-relationship model-toward unified view of data, in: ACM transaction on database systems, 1, pp. 9-36
Cheng, T., 1999, A process-oriented data model for fuzzy spatial objects, PhD thesis, ITC, The Netherlands, 163 p.
Clark J.H., 1976, Hierarchical geometric models for visible surface algorithm, in: Communications of the ACM, 19,10, pp. 547-554
Clementini, E., P. di Felice and G. Califano, 1995, Composite regions in topological queries, in: Information systems, 20(7), pp. 579-594
Clementini, E., P. di Felice and P. van Oosterom, 1993, A small set of formal topological relations suitable for end-user interaction, in: Proceedings of the 3th International Symposium on large spatial databases, Springer-Verlag, Berlin, pp. 277-295
Coad, P. and E. Yourdon, 1991, Object-oriented analysis, Prentice Hall
Codd, E.F., 1970, A relational model of data for large shared banks, in: Communications ACM 13, pp. 377-387
Coomans, M.K.D. and H.J.P. Timmermans, 1997, Towards taxonomy of virtual reality user interface, in: Proceedings of the 4th International conference on information visualisation, 27-29 August, London, England
Coors, V. and V. Jung, 1998, Using VRML as an Interface to the 3D data warehouse, in: Proceedings of VRML'98, New York
Corbett, J.P., 1975, Topological principles in cartography, in: Proceedings of AUTOCARTO-2, Reston, Virginia, USA, pp. 61-65
CPAN, 1999, The Perl language, http://www.perl.com/pace/pub/
Croswell, P., Y. Zaharieva and R. Pantaziev, 1994, GIS implementation plan for the municipality of Blagoevgrad, Bulgaria, ICMA Consortium report, USAID Project 180-003
Cruse, D., 1979, On the transitivity of the part-whole relation, in: Journal of Linguistics, 15, pp. 29-38
Danahy, J., 1997, A set of visualisation data needs in urban environmental planning&design for photogrammetric data, in: Proceedings of the Ascona Workshop '97: Automatic extraction of man-made objects from aerial and space images, Monte Verita, Switzerland, pp. 357-365
Date, C.J., 1981, An Introduction to Database Systems, Addison-Wesley
de Hoop, S., L. van de Meij and M. Molenaar, 1993, Topological relations in 3D vector maps, in: Proceedings of 4th EGIS, Genoa, Italy, pp. 448-455
de Vries, B., J.P. van Leeuwen and H.H. Achten, 1997, Design studio of the future, http://www.calibre.bwk.tue.nl/publications/bauke/bauke_papcib97.htm
Dodge, M., S. Doyle, A. Smith and S. Fleetwood, 1998, Towards the virtual city: VR&Internet GIS for urban planning, in: Virtual Reality and Geographical Information Systems Workshop, 22nd May 1998, Birkbeck College, London, 12 p.
Doyle, S., M. Dodge and A. Smith, 1998, The potential of web-based mapping and virtual reality technologies for modelling urban environments, in: Computers, Environment and Urban Systems, Vol. 22, No. 2, pp. 137-155
Egenhofer, M. J., 1995, Topological relations in 3D, Technical report, University of Maine, USA
Egenhofer, M. J., 1994, Deriving the composition of binary topological relations, in: Journal of Visual Languages and Computing 5 (2), pp. 133-149
Egenhofer, M. J., 1992, Why not SQL!, in: International Journal of Geographical Information Systems, Vol.6, No.2, pp. 71-85
Egenhofer, M. J., 1989, A formal definition of binary topological relationships, in: Proceedings of 3th International conference on foundation of data organisation and algorithms, pp. 457-472
Egenhofer, M. J., E. Clementini and P. di Felice, 1994, Topological relations between regions with holes, in: International Journal of Geographical Information Systems 8 (2), pp.129-144
Egenhofer, M. J., A.U. Frank and J.P Jackson, 1989, A topological data model for spatial databases, NCGIA Technical report, No. 104
Egenhofer, M. J and R. D. Franzosa, 1991, Point-set topological spatial relations, in: International Journal of GIS, Vol. 5, No. 2, pp. 161-174
Egenhofer, M. J and R. D. Franzosa, 1994, On the equivalence of topological relations, in: International Journal of GIS, Vol. 8, No. 6, pp. 133-152
Egenhofer, M. J. and J. R Herring, 1992, Categorising topological relations between regions, lines and points in Geographic databases, in: The 9-intersections: formalism and its use for natural language spatial predicates, Technical report 94-1, NCGIA, University of California
Egenhofer, M. J. and J. R. Herring, 1990, A mathematical framework for the definition of topological relationships, in: Proceedings of Fourth International Symposium on SDH, Zurich, Switzerland, pp. 803-813
Egenhofer, M. J and B.M Shariff, 1998, Metric details for natural-language spatial relations, in: ACM Transactions on Information Systems, 16(4), pp. 295-321
Eisner, S. and S.A. Eisner, 1993, The urban pattern, Van Nostrand Reinhold, New York
ESRI, 1999, http://www.ersi.com/
Flick, S., 1996, An object-oriented framework for the realisation of 3D Geographic Information Systems,in: Proceedings of 2th joint European conference and exhibition on Geographical Information, Barcelona, Spain, pp. 187-196
Fuchs, C., 1996, OEEPE study on 3D city models, Report of the Institute for Photogrammetry, University of Bonn, October, 45 p.
Fujimura, K. and T.L. Kunii, 1985, A hierarchical space indexing method, in: Computer graphics: visual technology and art, Proceedings of Computer Graphics Tokyo'85 Conference, Springer-Verlag, pp. 21-34
Gahedan, M., 1998, Scatterplots and scenes: visualisation techniques for exploratory analysis, in: Computers, Environment and Urban Systems, Vol. 22, No.1, pp. 43-56
Gapp, K.P., 1994, 3D modelling, in: Advanced geographic data modelling: Spatial data modelling and query languages for 2D and 3D applications, Netherlands Geodetic Commission, No.40, pp. 66-67
Gause, D.C. and G.M. Weinberg, 1989, Exploring requirements: quality before design, Dorset House Publishing, New York
GIS technology, 1999, KARMA VI project, TU, Delft, The Netherlands, http://gisvr2.geo.tudelft.nl:80/karmavi/
Göbel, M., 1993, The Virtual Reality demonstration centre, in: Computers and Graphics, Vol. 17, No. 6, pp. 627-631
Goodchild, M., 1987, A spatial analytical perspective on geographical information systems, in: International Journal of GIS, Vol.1, No.4, pp. 327-334
Gorte, B., 1994, Tools for advanced image processing and GIS using ILWIS, ITC publication No. 24, Enschede, The Netherlands
Gruber, M., M. Kofler and F. Leberl, 1997, Managing large 3D urban data base contents supporting photo-texture and levels of detail, in: Proceedings of the Ascona Workshop '97: Automatic Extraction of Man-made objects from Aerial and Space Images, Birkhäuser Verlag, Basel, pp. 377-386
Gruber, M., M. Pasko and F. Leberl, 1995, Geometric versus texture detail in 3D models of real world buildings, in: Automatic extraction of Man-made objects from aerial and space images, Birkhauser Verlag, Basel, pp. 189-198
Gruber, M. and E. Wilmersdorf, 1997, Urban data management–a modern approach, in: Computers, environment and urban systems, Vol. 21, No.2, pp. 147-158
Grün, A and H. Dan, 1997, TOBAGO - a topology builder for the automated generation of building models, in: Proceedings of the Ascona Workshop '97: Automatic extraction of Man-made objects from aerial and space images, Monte Verita, Switzerland, pp.149-160
Grün, A. and X. Wang, 1998, CC-modeller: a topology generator for 3D city models, in: Proceedings of ISPRS, Com. IV, 7-10 September, Stuttgart, Germany
Gülch, E., H. Müller and T. Labe, 1999, Integration of automatic processing into semi-automatic building extraction, in: Proceedings of ISPRS: Automatic extraction of GIS objects from digital imagery, Vol. 32, Part 3-2W5, 8-10 September, München, Germany
Guttman, A., 1984, R-trees: a dynamic index structure for spatial searching, in: ACM SIGMOD 13, pp. 47-57
Hall, C.L., 1995, Technical foundations of client/server systems, Wiley & Sons, New York
Hausdorff, F., 1914, Grundzüge der mengelehre, Reprinted by Chelsea, Leipzig, New York (1949), 88 p.
Hendrickx, M., J. Vandekerckhove, D. Frere, T. Moons and L.V. Gool, 1997, 3D reconstruction of house roofs from multiple aerial images of urban areas, in: Proceedings of IAPRS, Vol.32, Part 3, 17-19 September, Stuttgart, Germany, pp. 88-95
Henricsson, O. and E. Baltsavias, 1997, 3D building reconstruction with ARUBA: a qualitative and quantitative evaluation, in: Proceedings of the Ascona Workshop '97: Automatic extraction of Man-made objects from aerial and space Images, Monte Verita, Switzerland, pp. 65-76
Hesse, W. and F.J. Leahy, 1990, Authoritative topographic-cartographic information system (ATKIS), The project of the SSA for the creation of DLM and DCM, Landesvermessungamt Nordrhein-Westfalen, Bonn, Germany
Hoppe, H, 1996, Progressive meshes, in: Proceedings of SIGGRAPH'96, pp. 99-108
Hornsby, K. and M. J. Egenhofer, 1998, Identity based change operations for composite objects, in: Proceedings of 8th international Symposium on SDH, July, Vancouver, Canada, pp. 202-213
Hughes Technologies, 1999, Mini SQL (mSQL), http://www.Hughes.com.au/products/msql/
Hughes, J.G., 1991, Object-oriented databases, Prentice Hall
Intergraph, 1999, http://www.intergraph.com/
IGG, University of Rostock, 1999, 3D Geo-information systems for urban planning and design, http://www.agr.uni-rostock.de/gg/cebit_e/
Isdale, J. 1998, What is Virtual Reality, http://isdale.com/jerry/VR/WhatIsVR/frames/WhatIsVR.html
Kainz, W., 1990, Spatial relationships - topology versus order, in: Processing of the 4th International Symposium on spatial data handling, Zurich, Switzerland, pp. 814-819
Kainz, W., 1989, Order, topology and metric in GIS, in: ASPRS-ACSM Annual Convention, Vol. 4, Baltimore, pp. 154-160
Kainz, W., M. Egenhofer and I. Greasley, 1993, Modelling spatial relations and operations with partially ordered sets, in: International Journal of Geographical Information Systems, Vol. 7, No.3, pp. 215-229
Kim, W. Modern database systems: the object model, interoperability and beyond, ACM press, New York
Koehl, M., 1997, Topologic models for geometric reconstruction, in: Proceedings of IAPRS, Vol. 32, Part 3-4W2, 17-19 September, Stuttgard, Germany, pp. 189-195
Kofler, M., 1998, R-trees for the visualisation of large 3D GIS databases, PhD thesis, TU, Graz, Austria
Kofler, M., 1996, The Sodahall VRML jumpthrou, Project report, UC, Berkeley
Kofler, M. M. Gervautz and M. Gruber, 1998, The Styria flyover - LOD management for huge textured DTM model, in: Proceedings of Computer Graphics International, Hanover
Kofler, M. and M. Gruber, 1997, Toward a 3D GIS database, in: GIM, Vol. 11, No. 5, pp. 55-
Kozar, K.A., 1989, Humanised information system analysis design, McGraw-Hill Inc., New York
Kraak, M.J., 1998, The cartographic visualisation process: from presentation to exploration, in: Cartographic Journal 35, 1, pp 11-16
Kufoniyi, O., 1995, Spatial coincidence modelling, automated database updating and data consistency in vector GIS, PhD thesis, ITC, The Netherlands
Lammi, J., 1997 Spatially constrained building extraction using edge finding and model fitting, in: Proceedings of ISPRS, Vol. 32 Part 3-4W2, Stuttgart, September 17-19, pp.115-119
Leberl, F. and M. Gruber, 1996, Modelling a French village in the Alps, in: Proceedings of the 12th Spring Conference, Budmerice, Slovak Republic
Leberl, F., M Gruber, P. Uray and F. Madritsch, 1994, Trade-offs in the reconstruction and rendering of 3-D objects, Mustererkennung’94, Vienna, Austria
Lindenbeck, Ch. and H. Ulmer, 1998, Geology meets virtual reality: VRML visualisation server applications, in: Proceedings of WSCG'98, Vol. III, Plzen, Czech Republic, pp. 402-408
Lindstrom, P. D. Koller, W. Ribarsky and L. Hodges, 1996, Real-time, continuos Level of Detail rendering of height fields, in: Proceedings of SIGGRAPH'96, New Orleans, Louisiana, USA, pp. 109-118
Lipschultz, S., 1964, Theory and problems of set theory and related topics, Schaum Publishing Co., New York
Luebke, D. and K. Erikson , 1997, View-dependent simplification of arbitrary polygonal environments, Proceedings SIGGRAPH'97, pp. 199-208
MacEachren, A.M.and M.J. Kraak, 1997, Exploratory cartographic visualisation: advancing the agenda, in: Computers & Geosciences, Volume 23 (4), pp. 335- 343
Maciel, P.W.C. and P. Shirley, 1995, Visual navigation of large environments using textured clusters, in: Proceedings of ACM symposium on Interactive 3D graphics, pp. 95-102
Maguire, D.J., M.F. Goodchild and D.W. Rhind, 1991, Geographic information systems: principles and applications, Longman Scientific & Technical
Maresch, M. and J. Scheiblholfer, 1996, A vehicle based multi-sensor platform for façade recording, in: Proceedings of the 20th Workshop of the AAPR, Leibnitz, pp. 195-20
Martin, J., 1977, Computer database organisation, Prentice-Hall, Inc., Englewood Cliffs, New Jersey
Mäntylä, M., 1988, An introduction to solid modelling, Computer Science Press, New York, USA
Microsoft, 1999, Microsoft® Site Server, http://www.microsoft.com/catalog/display.asp?site=635&subid=22&pg=1
Moise, E. E., 1977, Geometric topology in dimension 2 and 3, Springer Verlag, New York
Molenaar, M., 1998, An Introduction to the theory of spatial objects modelling, Taylor&Francis, London
Molenaar, M., 1994, A syntax for representation of fuzzy spatial objects, in: Netherlands Geodetic Commission, No 40, Delft, The Netherlands, pp. 155-169
Molenaar, M., 1992, A topology for 3D vector maps, in: ITC Journal 1, pp. 25-33
Molenaar, M., 1990, A formal data structure for 3D vector maps, in: Proceedings of EGIS’90, Vol. 2, Amsterdam, The Netherlands, pp. 770-781
Molenaar, M.,1989, Single valued vector maps: a concept in geographic information systems, in: International Journal of GIS, Vol. 2, No. 1, pp. 18-27
Molenaar, M., O. Kufoniyi and T. Bouloucos, 1994, Modelling topologic relationships in vector maps, in: Proceedings of 6th International Symposium on SDH, September, Edinburg, pp. 112-125
Mwewa, L., 1998, Object - oriented roof model construction from skeletal point clouds: for building reconstruction, MSc thesis, ITC, The Netherlands
Nadeau, D., 1997, What 3D API for Java should I use and why, in: Proceedings of SIGGRAPH'97, Panels, 3-8 August, Los Angeles, USA, pp. 452-453
NC for GIA, 1989, The research plan of the National Center for Geographic Information and Analysis, in: International Journal of GIS, 3,2, pp. 117-113
Netscape Communication Corporation, 1997, Javascript Guide, http://developer.netscape.com/docs/manuals/communicator/jsguide4/index.htm
Netscape Communication Corporation, 1999, Netscape communicator, http://www.netscape.com
Norman, R.J., 1996, Object-oriented systems analysis and design, Prentice Hall International, Inc., New York
Ogao, P.J., 1997, Visualisation of 3D spatial data using Virtual Reality Modelling Language (VRML), MSc thesis, ITC, The Netherlands, 106 p.
Orfali, R. and D. Harkey, 1998, Client/Server programming with Java and CORBA, John Wiley&Sons, Canada
O'Reilly and Associates, 1999,WebSite, http://website.ora.com/
Paintsil, J., 1997, 3D Topographic data by aerial photogrammetry, MSc thesis, ITC, The Netherlands
Papadias, D. and Y. Theodoridis, 1997, Spatial relations, minimum bounding rectangles and spatial data structures, in: International journal of GIS, Vol. 11, No.2, pp. 111-138
Peng, W., 1997, Automated generalisation in GIS, PhD thesis, ITC, The Netherlands
Peuquet, D.J., 1995, It's about time: a conceptual framework for the representation of temporal dynamics in GIS, in: Temporal data in Geographic Information Systems, W. Kuhn and P. Haunold, pp. 149-170
Peuquet, D.J., 1988, Representation of geographic space: toward a conceptual synthesis, in: Annals of the association of American Geographers, 78, pp. 375-394
Pigot, S., 1995, A topological model for a 3-dimensional Spatial Information System, PhD thesis, University of Tasmania, Australia
Pigot, S., 1992, A Topological Model for a 3D Spatial Information System, in: Proceedings of 5th Symposium on SDH, Vol.1, Charleston, USA, pp. 344-359
Pilouk, M., 1996, Integrated modelling for 3D GIS, PhD thesis, ITC, The Netherlands
Pilouk, M. and K. Tempfli, 1994a, An object-oriented approach to the Unified Data Structure of DTM and GIS, in: Proceedings of ISPRS, Commission IV, Vol. 30, Part 4., Athens, USA
Pilouk, M., D. Petrovic, C. Grawford, and C. Graf, 1997, Development of the ArcView 3D Analyst Extension, in: Proceedings of ISPRS, Vol. 32 Part 3-4W2, Stuttgart, September 17-19, pp. 196-202
Popovic, J. and H. Hoppe, 1997, Progressive simplicial complexes, in: Proceedings of SIGGRAPH'97, 3-8 August, Los Angeles, California, USA, pp. 217-224
PostgreSQL, Inc., 1999, PostgreSQL http://www.postgresql.org/
Pullar, D.V. and M.J. Egenhofer, 1988, Toward formal definition of topological relations among spatial objects, in: Proceedings of the Third International symposium on SDH, Sydney, Australia, pp. 225-241
Raper, J.F., 1989, The 3-dimentional geo-scientific mapping and modelling system: a conceptual design, Three-dimensional applications in geographic information systems, Taylor & Francis, London
Raper, J.F., T. McCarthy and D. Unwin, 1998, Multi dimensional Virtual Reality Geographic Information System, (VRGIS): research guidelines, in: Proceedings GISRUK 98, Edinburg, UK, 6 p.
Raza, A. and W. Kainz, 1998, Design and implementation of a temporal GIS for monitoring the urban land use change, in: Proceedings of Geoinformatics'98 conference, 17-19 June, Beijing, China, pp. 417-427
Ranzinger, M. and G. Gleixner, 1995, Changing the city: data sets and applications for 3D urban planning, in: GIS Europe, March, pp. 28-30
Reitemeyer, A., 1999, The 3D object repository, http://home.t-online.de/home/kiwano6/models.htm
Rikkers R., M. Molenaar and J. Stuiver, 1993, A query oriented implementation of a 3D topologic data structure, in: Proceedings of EGIS'93, Vol.2, Genoa, Italy, pp. 1411-1420
Roussopoulos, N. and D. Leiker, 1985, Direct spatial search on pictorial databases using packed R-trees, in: ACM SIGMOD 14(4), December, pp. 17-31
Samet, H., 1990, The design and analysis of spatial data structures, Reading, Addison-Wesley, Massachusetts
Schickler, W., 1997, A Virtual reality model of a major international airport, in: Proceedings of the Ascona Workshop '97: Automatic extraction of Man-made objects from aerial and space images, Monte Verita, Switzerland, pp. 367-376
SDSC, 1999, VR repository, http://www.sdsc.edu/vrml
Seidman, G., 1997, Gregory Seidman's VRML97 browser datasheet, http://www.cs.brown.edu/~gss/
Sherman, W., 1997, Experiences with Virtual Reality applications, in: Proceedings of SIGRAPH'97, Panels, 3-8 August, Los Angeles, USA, pp. 473-476
Shibasaki, R. and E. Shimizu, 1990, Three dimensional (3D) digital map for an urban area, in: Proceedings of the Symposium on cartographic and database applications of photogrammetry and remote sensing, Japan, pp. 211-220
Sithole, G., 1997, Digital photogrammetry for automatic photo-texture extraction, MSc thesis, ITC, The Netherlands, 104 p.
Sivan, R. and H. Samet, 1992, Algorithms for constructing quadtree surface maps, in: Proceedings of the 5th International symposium on SDH, July, Charleston, USA, Vol.1, pp. 361-370
Smith, H.C., 1985, Database design: composing fully normalised tables from a rigorous dependency diagram, in: Communication of the ACM, Vol.28, No.8, pp.826-838
StarNine, 1999, WebSTAR, http://www.starnine.com/
Stein, L.D, 1997, How to set up and maintain Web Site, Addison Wesley Longman
Stein, L.D, 1998, CGI.pm - a Perl5 CGI Library, http://stein.cshl.org/WWW/software/CGI/cgi_docs.html
Suter M. and D. Nüesch, 1995, Automated generation of visual simulation databases using remote sensing and GIS, in: Proceedings of IEEE Visualization'95, October, November, Atlanta, GA, pp. 86-93
T.c.X. DataKonsultAB, 1999, MySQL, http://www.tcx.se/index.html
Tempfli, K., 1998a, 3D topographic mapping for urban GIS, in: ITC Journal 3/4, pp. 181-190
Tempfli, K., 1998b, Urban 3D topologic data and texture by digital photogrammetry, in:Proceeding of ISPRS, March-April, Tempa, Florida, USA, CD-ROM
Tempfli, K., 1998c, 3D topographic mapping, Lecture notes PHM112, Geoinformatics, ITC, Enschede
Tempfli, K. and M. Pilouk, 1996, Practical photogrammetry for 3D-GIS, in: Proceedings of ISPRS, Vol. XXXI, Part B4, Vienna, Austria, pp. 859-867
Tempfli, K. and M. Pilouk, 1994, Vector Data Models for 3D GIS, in: Proceedings of the 3rd International Colloquium of LIESMARS on integration, automation and intelligence in photogrammetry, RS and GIS, Wuhan, China, pp. 272-283
Tsichritzis, D. and F. Lochovsky, 1982, Data models, Prentice-Hall, Englewood Cliffs, New Jersey
van der Meij, L., 1992, Topologische relaties en bevragingen in een formele datastructuur voor drie-dimensionale vectorkaarten, Technical report, WAU, The Netherlands
van Maren, G. and R. Germs, 1999, Karma VI: A virtual reality interface for the Spatial Database Engine, in: Proceedings of ESRI International user conference, 26-30 July, San Diego, California, 19 p.
van Oosterom, P., 1991, The Reactive-tree: A storage structure for a seamless, scaleless geographic database, in: Proceedings of the 10th International Symposium on CAC (AUTOCARTO10), Vol.6, Baltimore, Maryland, USA
van Oosterom. P., W. Vertegaal, M. van Hekken and T. Vijlbrief, 1994, Integrated 3D modelling within a GIS, in: Advanced Geographic Data Modelling: spatial data modelling and query languages for 2D and 3D applications, Netherlands Geodetic Commission, No.40, pp. 80-95
Visa, 1999, ATM locator, http://www.visa.com
Viskers, S., 1996 Topology via logic, Cambridge University Press, London, UK
Vossen, G., 1991, Data models, database languages and database management systems, Addison-Wesley, Wokingham, England
Wang, Z., 1994, Digital Photogrammetric Data acquisition for 3D GIS, MSc thesis, ITC, The Netherlands
Watt, A., 1993, 3D Computer Graphics, Addison-Wesley, New York, USA
Wavefront, Inc., 1995, Wavefront: Quick animation tutorial,Santa Barbara, CA, USA
Web3D Consortium Inc., 1999, The VR repository, http://www.web3d.org/vrml/vrml.htm
Wetherbe, J.C., 1984, System analysis and design, West Publishing Company, St.Paul, MN
Wiedmann, J., 1998, Msql, Mysql modules, http://www.arcana.co.uk/cgi/dbi/moduledump?module=Msql-Mysql-modules
Willard, S., 1970, General topology, Reading, Addison-Wesley Publishing Company, Massachusetts
Wizard Solutions, 1999, Real cities in virtual reality, http://www.intoronto.com/
Woo, M., J. Neider and T. Davis, 1997, OpenGL: programming guide, Reading, Addison-Wesley Developers Press
Worboys, F.M., 1992, Object-oriented model of spatio-temporal information, in: Proceedings of GIS/LIS'92, Vol.2, San Jose, California, pp. 825-834
Worboys, F.M., 1995, GIS: A computing perspective, Taylor&Francis, London
Zlatanova, S., 1999a, An alternative for a 3D GIS, in: Proceedings of the International symposium on Modern information and GPS technology – aspects and implications of their application, 11-12 November, Sofia, Bulgaria, pp.221-231 (pdf)
Zlatanova, S., 1999b, VRML for 3D GIS, in: Proceedings of the 15th SCCG, 28 April-1May, Budmerice, Slovakia, pp. 74-82 (pdf)
Zlatanova, S. and T. Bandrova, 1998, User requirements for the third dimensionality, in: E-mail seminar of Cartography 1998: Maps of the future, Vol. 1, Sofia, Bulgaria, pp. 61-72 (pdf)
Zlatanova, S. and M. Gruber, 1998, 3D GIS on the Web, in: Proceedings of ISPRS, Com. IV, 7-10 September, Stuttgart, Germany, pp. 691-699 (pdf)
Zlatanova, S. and K. Tempfli, 1998, Data structuring and visualisation of 3D urban data, in: Proceedings of the AGILE conference, 23-25 April, Enschede, The Netherlands, CD ROM, 12 p. (pdf)
Zlatanova, S., J. Paintsil and K. Tempfli, 1998, 3D object reconstruction form aerial stereo images, in: Proceeding of the 6th International Conference in Central Europe on Computer Graphics and Visualization'98, Vol. III, 9-13 February, Plzen, Czech Republic, pp. 472-478 (pdf)
Zlatanova S., M. Gruber and M. Kofler, 1996a, Merging DTM and CAD data for 3D modelling purposes of urban areas, in: Proceedings of ISPRS, Vol. XXXI, Part B4, Vienna, Austria, pp. 311-315 (pdf)
Zlatanova, S., M Pilouk and K. Tempfli, 1996b, Building reconstruction
from aerial images and creation of 3D topologic data structure, in: Proceedings
of the IAPR TC-7, 2-3 September, Graz, Austria, pp. 259-274 (pdf)