1. J. Ziv and A. Lempel, “Compression of Individual Sequences via Variable-Rate Coding”, IEEE Trans. Inform. Theory, Vol. IT-24, pp. 530536, Sept. 1978.
2. S. Even, “Automata and their Information Losslessness”, Switching Circuit Theory and Logical Design, AIEE Special Publ., S-141, pp. 144–147, 1961.
3. B.B. Mandelbrot, Fractals: Form, Chance, and Dimension, San Francisco: W.H. Freeman and Co., 1977.
4. M. Gardner, “Mathematical Games”, Sc. Am., pp. 124–133, Dec. 1976.
5. R.G. Gallager, Information Theory and Reliable Communication, New York: Wiley, 1968.