1. APHA (1995) Standard methods for the examination of water and waste water, 19th edn. American Public Health Association, Washington, DC
2. Appelo CAJ, Postma D (1993) Geochemistry, groundwater and pollution. AA Balkema, Rotterdam
3. Babiker IS, Mohamed MAA, Hiyama T (2007) Assessing groundwater quality using GIS. Water Resour Manag 21:699–715
4. Bouwer H (1978) Ground water hydrology. McGraw-Hill, New York
5. Burroughs PA, McDonnell RA (1998) Principles of geographical information systems. Oxford University Press, Oxford, p 333