1. Richards, C.W., A Manufacturing beyond lean, Production and Inventory Management journal Vol. 37, (1996).
2. Kusaik, A , Part families relation model for flexible manufacturing Systems, Proceeding of Annual industrial engineering Conference, Louisville, Ky, (1983).
3. Wemmerlov, U and Hyer, N. L Procedure for the Part Family Machine Group Identification problem in cellular manufacturing, Journal of Operational Management , Vol. 6(1986)pp.125-147.
4. Grefenstette, J., editor, Proceedings of the Second International Conference on Genetic Algorithms. Lawrence Erlbaum Associates, Hillsdale, NJ, (1987).
5. Goldberg DE, Lingle, Alleles, Loci and the travelling salesman problem. International Conferences on Genetic Algorithm and their Application. Carnegic-Mellon University (1985), pp.154-159.