@inproceedings{CHI-2009-HarryGD,
	author        = "Drew Harry and Joshua Green and Judith S. Donath",
	booktitle     = "{Proceedings of the 27th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1518701.1518907",
	isbn          = "978-1-60558-246-7",
	pages         = "1361--1370",
	publisher     = "{ACM}",
	title         = "{backchan.nl: integrating backchannels in physical space}",
	year          = 2009,
}