1. Cox, R. T.: 1946, Am. J. Phys.
14, 1
2. Carnap, R.: 1953, Scientific American, 128
3. Shannon, C.E. and Weaver, W.: 1949, The Mathematical Theory of Communication, University of Illinois Press: Urbana, IL
4. Brillouin, L.: 1956, Science and Information Theory, Academic Press: New York
5. Yaglom, A.M. and Yaglom, I.M.: 1983, Probability and Information, Reidel: Dordrecht