1. W. G. Chambers and D. Gollmann. Lock-in effect in cascades of clock-controlled shift registers. Advances in Cryptology, EUROCRYPT '88, Lecture Notes in Computer Science, vol. 330, C. G. Günther ed., Springer-Verlag, pages 331–342, 1988.
2. D. Coppersmith, H. Krawczyk, and Y. Mansour. The shrinking generator. Pre-Proceedings of CRYPTO '93, pages 3.1–3.11, 1993.
3. C. Ding, G. Xiao, and W. Shan. The Stability Theory of Stream Ciphers. Lecture Notes in Computer Science, vol. 561, Berlin: Springer-Verlag, 1991.
4. A. S. Dolgopolov. Capacity bounds for a channel with synchronization errors. Prob. Peredachi Inform. (in russian), 26:27–37, 1990.
5. W. Feller. An Introduction to Probability Theory and its Applications. New York: Wiley, 3rd edition, Volume 1, 1968.