1. Bache, K. and Lichman, M. (2013).UCI Machine Learning Repository, http://archive.ics.uci.edu/ml., School of Information and Computer Science, University of California, Irvine.
2. Cover, T. M. and Thomas, J. A. (2006).Elements of Information Theory, 2ndedition, John Wiley & Sons, New York.
3. Duda, R. O., Hart, P. E. and Stork, D. G. (2001).Pattern Classification, 2ndedition, Wiley, New York.
4. June 2010 Nielsen NetView survey on Internet usage (2010). Retrieved from http://www.nielsen.com/us/en/newswire/2010/what-americans-do-online-social-media-and-games-dominate-activity. html.
5. Martin, N. F. and England, J. W. (2011).Mathematical Theory of Entropy, vol. 12, Cambridge University Press, UK.