1. Spatial Analysis for Environmental Health Research: Concepts, Methods, and Examples
2. DeMers, M. N. 1997.Fundamentals of Geographic Information Systems, 486 ppNew York: John Wiley & Sons Inc. ISBN 0-471-14284-0
3. Goodchild, M. F., Maguire, D. J. and Rhind, D. W. 2001.Geographic Information Systems and Science, 454 ppEngland: John Wiley & Sons Ltd. ISBN 0-471-49521-2