1. Spillman, R., Janssen, M., Nelson, B., Kepner, M.: Use of A Genetic Algorithm in the Cryptanalysis of simple substitution Ciphers. Cryptologia XVII(1), 187–201 (1993)
2. Forsyth, W.S., Safavi-Naini, R.: Automated cryptanalysis of substitution ciphers. Cryptologia 17(4), 407–418 (1993)
3. Clark, A.J.: Optimisation Heuristics for Cryptology [PhD thesis], Queensland. University of Technology (1998),
http://sky.fit.qut.edu.au/~clarka/papers/thesis-ac.pdf
4. Grundlingh, W., van Vuuren, J.H.: Using Genetic Algorithms to Break a Simple Cryptographic Cipher (submitted, 2002) (Retrieved March 31, 2003),
http://dip.sun.ac.za/~vuuren/abstracts/abstrgenetic.htm
5. Uddin, M.F., Youssef, A.M.: Cryptanalysis of Simple Substitution Ciphers Using Particle Swarm Optimization. In: Evolutionary Computation, CEC 2006, pp. 677–680 (2006)