1. Schrödinger, E., What is Life? (Cambridge University Press, Cambridge, 1956).
2. Katz, A., Principles of Statistical Mechanics: The Information Theory Approach (W. H. Freeman and Co., San Francisco, 1967).
3. Shannon, C. E., and Weaver, W., The Mathematical Theory of Communications (University of Illinois Press, Urbana, 1949).
4. Prigogine, I., Thermodynamics of Irreversible Processes (Interscience Publishers, New York, 1967).
5. Brillouin, L., Science and Information Theory (Academic Press, New York, 1956).