I. Oliver, D. Smith, und J. Holland. Proceedings of the Second International Conference on Genetic Algorithms on Genetic algorithms and their application, Seite 224--230. Mahwah, NJ, USA, L. E. Associates, Inc., (1987)
J. Schaffer, R. Caruana, L. Eshelman, und R. Das. Proceedings of the third international conference on Genetic algorithms, Seite 51--60. San Francisco, CA, USA, Morgan Kaufmann Publishers Inc., (1989)