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.U.S.GS. Prof. Paper,964: 1–26.
2. Andreae, M.O. (2002). Humanity: passenger or pilot on the spaceship earth?Global Change (IGBP) News Letter,52: 2–7.
3. Campbell, James B. (1996). Introduction to Remote Sensing. Taylor & Francis. London.
4. Green, K., Kempka, D. and Lackley, L. (1994). Using remote sensing to detect and monitor land cover and land use changes.Photogramm. Engg. and Remote Sensing,60(3): 331–337.
5. Justice, C.O., Townshend, J.R.G., Holben, B.N. and Tucker, C.J. (1985). Analysis of phenology of global vegetation using meteorological satellite data.Int. J. Remote Sensing,6(8): 1271 -1318.