@inproceedings{CHI-2002-BrushBGG,
	author        = "A. J. Bernheim Brush and David Bargeron and Jonathan Grudin and Anoop Gupta",
	booktitle     = "{Proceedings of the 20th ACM SIGCHI Conference on Human Factors in Computing Systems: Changing our World, Changing ourselves}",
	doi           = "10.1145/503376.503393",
	isbn          = "1-58113-453-3",
	pages         = "89--96",
	publisher     = "{ACM}",
	title         = "{Notification for shared annotation of digital documents}",
	year          = 2002,
}