[4]DICKERHOF M,DIDIC M M,MAMPEL U. CIMOSA——background and case study[J]. Computer in Industry, 1999,(40):197-205.
[5]LI Hongxin, XUE Jinsong, ZHU Yunlong. Multi-level description approach to flexible workflow model [A].International Conference on Advanced Manufacturing System and Manufacturing Automation [C]. Guangzhou:International Conference on Advanced Manufacturing System and Manufacturing Automation , 2000.661-664.