@inproceedings{TOOLS-ASIA-1999-XuGC,
	author        = "Xuezhou Xu and Jinglin Guo and Ping Chen",
	booktitle     = "{Proceedings of the 31st International Conference on Technology of Object-Oriented Languages and Systems}",
	doi           = "10.1109/TOOLS.1999.796514",
	isbn          = "0-7695-0393-4",
	pages         = "406--413",
	publisher     = "{IEEE Computer Society}",
	title         = "{A Model of Collaborative Systems Transactions}",
	year          = 1999,
}