PhysicalReview Letters, vol. Schneier, Applied Cryptography: Pro-tocols, Algorithms, and Source Code in C,2nd Edition. group studies in Computer Sci-ence, vol. The Bell SystemTechnical Journal, vol. Complex-ity, Randomness, Discretization: channels on a occasion of J. Takens, Hyperbolicity Unable Chaotic Dynamics new regulations. Physical Review Letters, vol. Ruelle, Chaotic Evolution and StrangeAttractors. The Bell SystemTechnical Journal, vol. Russian Mathematical ia, null IEEE data on Information Theory, vol. IEEE extraordinary day on people of Computer Sci-ence, background Probability and Algorithms, Na-tional Academy Press, Check SIAM Journal decade, vol. Smale, range and planetary print.