Wolfram, S. Cryptography with cellular automata. Proceedings of Advances in Cryptology - CRYPTO '85. Lecture Notes in Computer Science 218, Springer-Verlag: 429. 1985.[永久失效連結] 另见 Meier, Willi; Staffelbach, Othmar. Analysis of pseudo random sequences generated by cellular automata. Advances in Cryptology: Proc. Workshop on the Theory and Application of Cryptographic Techniques, EUROCRYPT '91. Lecture Notes in Computer Science 547, Springer-Verlag: 186. 1991.[永久失效連結]