2Abouel Nasr,Emad S. Kamrani,Ali K. A new methodology for extracting manufacturing features from CAD system [J]. Computers and Industrial Engineering,v51, n3, November, 2006: 389-415.
3Feng,Shaw C. Song,Eugene Y. A manufacturing process information model for design and process planning integration [J].Journal of Manufacturing Systems, 2003 : 1-15.
4Jueng-Shing Hwang. William &Miller. Hybrid blackborad model for feature interactions in proeess planning [J]. Computers ind Engng,1995,29(1,4): 613-617.