Reza, Fazlollah M. An Introduction to Information Theory. New York: Dover. 1994 [1961]. ISBN 0-486-68210-2.
Schneier, Bruce. Applied Cryptography: Protocols, Algorithms, and Source Code in C. New York: John Wiley & Sons, Inc. 1996. ISBN 0-471-12845-7.
Auffarth, B; Lopez-Sanchez, M.; Cerquides, J. Comparison of Redundancy and Relevance Measures for Feature Selection in Tissue Classification of CT images. Advances in Data Mining. Applications and Theoretical Aspects. Springer. 2010: 248–262. CiteSeerX: 10.1.1.170.1528.