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3. A. I. Khinchin,Mathematical Foundations of Information Theory (Dover Publications, Inc., New York, 1957).
4. F. M. Reza,An Introduction to Information Theory (McGraw-Hill Book Company, Inc., New York, 1961).
5. A. Katz,Principles of Statistical Mechanics: The Information Theory Approach (W. H. Freeman and Company, San Francisco, 1967).