9FONSECA M J, HENRIQUES E, FERREIRA A, et al. Assisting mould quotation through retrieval of similar data[C]. Proceedings of the 3 rd International CIRP Sponsored Conference on Digital Enterprise Technology. Berlin, Germany : Springer, 2007 : 527-534.
10Tehman S, Guenov M. A methodology for modeling manufacturing costs at conceptual design[J]. Computer& Industrial Engineering, 1998, 35, ( 3 ) : 623-626.
