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W. Langdon, S. Barrett, и B. Buxton. Soft Computing and Industry Recent Applications, стр. 597--608. Springer-Verlag, (10--24 September 2001)Published 2002.
W. Langdon, и B. Buxton. Second International Conference on Multiple Classifier
System, том 2096 из LNCS, стр. 68--77. Cambridge, Springer Verlag, (2-4 July 2001)
W. Langdon, и B. Buxton. Proceedings of the Genetic and Evolutionary
Computation Conference (GECCO-2001), стр. 66--73. San Francisco, California, USA, Morgan Kaufmann, (7-11 July 2001)