@inproceedings{CASE-2006-LiuWL,
	author        = "Xiangling Liu and Anrong Wang and Zhiwu Li",
	booktitle     = "{Proceedings of the Second International Conference on Automation Science and Engineering}",
	doi           = "10.1109/COASE.2006.326915",
	isbn          = "1-4244-0310-3",
	pages         = "399--404",
	publisher     = "{IEEE}",
	title         = "{A fast algorithm to find a set of elementary siphons for a class of petri nets}",
	year          = 2006,
}