1. Anderson, J.R., Hardy, E.E., Roach, J.T. and Witmer, R.E. (1976) A land use and land cover classification system for use with remote sensor data. USGS Prof. Paper, v.964, pp.1–26.
2. Andreae, M.O. (2002) Humanity: passenger or pilot on the spaceship earth? Glob Change (IGBP) Newsl., v.52, pp.2–7.
3. APHA (1995) Standard method for the examination of water and waste water (14th Ed.) Washington D.C. Amer. Public Health Association.
4. Asadi, S.S., Vuppala, P. and Reddy, A.M. (2007) Remote Sensing and GIS Techniques for Evaluation of Groundwater Quality in Municipal Corporation of Hyderabad (Zone-V), India. Internat. Jour. Environ. Res. Public Health, v.4(1), pp.45–52.
5. Avtar, R., Kumar, P., Singh, K.C., Netrananda, S., Verma, R.L., Thakur, J.K. and Mukherjee, S. (2013) Hydrogeochemical assessment of groundwater quality of Bundelkhand, India using statistical approach. Water Qual. Expo Health, v.5, pp.105–115.