Barry, and Chorley, 1982. Climate, Weather and Atmosphere, Longman: London
Elachi, C., 1987. Introduction to the Physics and Techniques of Remote Sensing, John Wiley and Sons, Inc.: Toronto
Lillesand, T.M. and Kiefer, R.W., 1994, Remote Sensing and Image Interpretation, 3rd Ed., John Wiley and Sons, Inc.: Toronto.