@inproceedings{CSCW-2000-MilewskiS,
	author        = "Allen E. Milewski and Thomas M. Smith",
	booktitle     = "{Proceedings of the Eighth ACM Conference on Computer Supported Cooperative Work}",
	doi           = "10.1145/358916.358978",
	isbn          = "1-58113-222-0",
	pages         = "89--96",
	publisher     = "{ACM}",
	title         = "{Providing presence cues to telephone users}",
	year          = 2000,
}