1. Bäck, T.: Evolutionary Algorithms in Theory and Practice. Oxford Univ. Press, New York (1996)
2. Kim, J.-H., Myung, H.: Evolutionary Programming Techniques for Constrained Optimization. IEEE Trans. on Evolutionary Computation. July (1997) 129–140
3. Powell, D., Skolnick, M.M.: Using Genetic Algorithms in Engineering Design Optimization with Non-linear Constraints. In: Proc. of the Fourth International Conference on Genetic Algorithms. Morgan Kaufmann, San Mateo CA (1991) 424–431
4. Richardson, J.T., Palmer, M.R., Liepins, G. Hilliard, M.: Some Guidelines for Genetic Algorithms with Penalty Functions. In: Proc. of the Third International Conference on Genetic Algorithms. Morgan Kaufmann, San Mateo CA George Mason Univ., June 4–7 (1989) 191–197
5. Smith, A.E., Tate, D.M.: Genetic Optimization using a Penalty Function. In: Proc. of the Fourth International Conference on Genetic Algorithms. Morgan Kaufmann, San Mateo CA (1991) 499–505