4Hedia Chakroun, Goze B. Benie, Norman T. O'Neill, Jacques Desilets. Spatial Analysis Weighting Algorithm Using Voronoi Diagrams[J]. INT. J. Geographical Information Science, Vol. 14, No. 4, 319-336, 2000.
5Okabe, A., Boots, B., & Sugihara, K. Nearest Neighbor Operations with Generalize Voronoi Diagram: A Review [J]. International Journal of Geographical Information Systems. Vol. 8, NO. 1, 43 - 71, 1994.
6Robert Haining. Designing An Health Needs GIS with Spatial Analysis Capability. In: Massimo Craglia, Helen Couclelis, eds. Geographic Information Research, Bridging the Atlantic [ M]. Taylor & Francis, 1996.
7T. Arentze, A. Borgers, H. Timmermans. A Knowledge- based System for Developing Retail Location Strategies [ J]. Computers, Environment and Urban Systems, No. 24, 489 - 508, 2000.