1. R. Lewis, Y. Chu, C. Chen, M. Han and H. Kim, State of the technology in die casting, Report No. ERC/NSM-87-12, Ohio State University, Columbus, USA, (1987).
2. S. Kalpakjian and S. R. Schmid, Manufacturing Processes for Engineering Materials, Fifth Ed. Prentice Hall, Singapore, (2008).
3. S. Baek, S. Cho, H. Kim and W. Joo, Trade-off analysis in multi-objective optimization using chebyshev orthogonal polynomials, Journal of Mechanical Science and Technology, 20(3) (2006) 366–375.
4. J. Lee and D. Kim, A method of genetic algorithm based multi objective optimization via cooperative coevolution, Journal of Mechanical Science and Technology, 20(12) (2006) 2115–2123.
5. S. Im and D. Lee, Multiple objective scheduling of flexible manufacturing systems using Petri nets, Transactions of the Korean Society of Mechanical Engineers, 21(5) (1997) 769–779.