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1 "What about People in Regional Science" 24 : 7-21, 1970.
2 "Topological Structures for 4-dimensional Geographic Information Systems" 16 (16): 227-237, 1992.
3 "Time in Geographic Information Systems" 1992.
4 "Temporal Geographic Information Systems Technology and Requirements : Where we are Today" The Ohio State University
5 "Simple Features Specification For OLE/COM Revision 1.1" Open GIS Consortium, Inc 99-050, 1999.
6 "Relational spatial topologies for historical geographical information International Journal of Geographical Information Systems" 8 (8): 163-173, 1994.
7 "Object-oriented approaches to geo-referenced information" 8 no.4 : 385-399, 1994.
8 "Object- Oriented Modelling for Spatial Database" 4 : -4, 1990.
9 "NGIS 1996년 최종보고서" 1996.
10 "Managing Time in Gis: An Event-Oriented Approach" Springer-Verlag 23-42, 1995.
11 "An Approach to Modeling and Querying Moving Objects in Databases" 1997.
12 "A spaiotemporal data model for incorporating time in geographic information systems" University of South Florida usa.1999.
13 "A Unified Model for Spatial and Temporal Information" 37 : 26-34, 1994.
14 "A Generic Model for Spatio-Bitemporal Geographic Information." Oxford University Press 1998.
15 "A Framework for Temporal Geographic Information System" 25 : -3, 1988.