@conference{HeidemannEtAl-2004-ICMI,
	author    = {G.~Heidemann and I.~Bax and H.~Bekel and C.~Bauckhage and S.~Wachsmuth and G.~Fink and A.~Pinz and H.~Ritter and G.~Sagerer},
	title     = {{Multimodal interaction in an augmented reality scenario}},
	booktitle = {{Proc. Int'l Conf. Multimodal Interfaces}},
	year      = {2004},
	pages     = {53--60},
	publisher = {ACM Press},
	address   = {New York, NY, USA},
}