1 | Llyod, C.D.,2011. Local Models for Spatial Analysis , 2nd Ed., CRC Press: Tayor and Francis Group, p. 352 |
2 | Mitchell, A., 2009. T he ESRI Guide to GIS Analysis Volume 2: Spatial Measurements & Statistics, ESRI Press, Redlands California, p. 238. |
3 | Paul A., Michael F. Goodchild, David J. Maguire, and David W. Rhind. 2005. Geographic Informaiton Systems and Science, 2nd ed. Hoboken, NJ: Wiley. |
4 | DeMers, Michael N. 2005. Fundamentals of Geographic Information Systems, 3rd ed. Wiley. Keith C. 2003. Getting Started with Geographic Information Systems, 4th ed. Upper Saddle River, NJ: Prentice Hall. |