1. D. Ackley and M. Littman, ‘Interaction between learning and evolution’. In Artificial Life II C. Langton, editor, Addison-Wesley, 1991.
2. H. Adeli and S. Hung, Machine Learning: Neural Networks, Genetic Algorithms and Fuzzy Systems John Wiley and Sons, 1995.
3. J. Baldwin, ‘A new factor in evolution’, American Naturalist 30: 441–451, 1896.
4. R. Belew, ‘When both individuals and populations search: adding simple learning to the genetic algorithm’. In Proceedings of the Third International Conference on Genetic Algorithms J. D. Schaffer, editor. Morgan-Kaufmann, 1989.
5. R. Belew and M. Mitchell, Adaptive Individuals in Evolving Populations Santa Fe Institute Studies in the Sciences of Complexity Volume XXVI Addison-Wesley, 1996.