1. Arctur D. and Zeiler M. Designing Geodatabases: Case Studies in GIS Data Modeling. ESRI Press, Redlands, CA, 2004.
2. Clarke K.C. Getting Started with Geographic Information Systems. Prentice Hall, Upper Saddle River, NJ, 2003.
3. Foresman T.W., ed. The History of Geographic Information Systems: Perspectives from the Pioneers. Prentice Hall, Upper Saddle River, NJ, 1998.
4. Longley P.A., Goodchild M.F., Maguire D.J., and Rhind D.W. Geographic Information Systems and Science. Wiley, Chichester, UK, 2005.
5. van Oosterom P. Spatial access methods. In Geographical Information Systems, P.A. Longley, M.F. Goodchild, D.J. Maguire, and D.W. Rhind (eds.). Wiley, New York, NY, 1999, pp. 385–400.