@inproceedings{CSCW-1992-ShenD,
	author        = "Honghai Shen and Prasun Dewan",
	booktitle     = "{Proceedings of the Fourth ACM Conference on Computer Supported Cooperative Work}",
	doi           = "10.1145/143457.143461",
	isbn          = "0-89791-542-9",
	pages         = "51--58",
	publisher     = "{ACM}",
	title         = "{Access Control for Collaborative Environments}",
	year          = 1992,
}