1. Miller, H. J. and Han, J. (2001) Geographic Data Mining and Knowledge Discovery. aylor & Francis, London.
2. Macmillan, W. (1998) Epilogue. In Longley et al. (eds) Geocomputation: A Primer. Chichester: Wiley: 257–264
3. Fotheringham, A. S. (1992) Exploratory spatial data analysis and GIS. Environment and Planning A 24: 1675–1678
4. Unwin, D. (1996) GIS, spatial analysis and spatial statistics. Progress in Human Geography 20: 540–551
5. Snow, J. (1855) On the Mode of Communication of Cholera. Churchill Livingstone, London.