@article {Gao2006,
	title = {A Petri nets-based model for Web service composition},
	journal = {Jisuanji Gongcheng/Computer Engineering},
	volume = {32},
	number = {6},
	year = {2006},
	note = {施引文献 2},
	pages = {17-18+27},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33646127183\&partnerID=40\&md5=9ca285ac359610ea343c9f153b16c6f6},
	author = {Y. Gao and Y. Liu and Xie, K. and L. Wu}
}
