貌似有63个金币，但是我不知道怎么给你。哪位好心人帮帮我

貌似格式错误了，麻烦斑竹饶恕，重新贴一下：
1.Leachman, R. and R. Glassey (1987). Preliminary design and development of a corporate level production planning system for the semiconductor industry.
2.Leachman, R. (1993). "Modeling techniques for automated production planning in the semiconductor industry." Optimization in Industry: 1-30.       
3.Leachman, R. and T. Carmon (1992). "On capacity modeling for production planning with alternative machine types." IIE transactions 24(4): 62-72.
4.Lee, Y. (2001). "Supply chain model for the semiconductor industry of global market." Journal of Systems Integration 10(3): 189-206.       
5.Harrison, J. (1991). Optimization techniques for production planning and scheduling of co-product networks, University of California, Berkeley.