@inproceedings{conf/csac/SuzumuraHM04,
	title = {A chat system with knock-on-the-door sound and shadow.},
	author = {Keishi Suzumura and Natsuko Hikage and Yuko Murayama},
	booktitle = {Computer Supported Acitivity Coordination},
	crossref = {conf/csac/2004},
	editor = {José Cordeiro and Joaquim Filipe},
	pages = {81-90},
	publisher = {INSTICC Press},
	url = {http://dblp.uni-trier.de/db/conf/csac/csac2004.html#SuzumuraHM04},
	year = {2004},
	biburl = {http://www.bibsonomy.org/bibtex/26e02583892acc83d5d0f091f6130ae3f/dblp},
	description = {dblp},
	isbn = {972-8865-08-2}, date = {2004-06-24},
	keywords = {dblp }
}