@inproceedings{HCI-SHI-1993-BauerR,
	author        = "Wilhelm Bauer and Oliver Riedel",
	booktitle     = "{Proceedings of the Fifth International Conference on Human-Computer Interaction. Volume 2: Software and Hardware Interfaces}",
	isbn          = "0-444-89540-X",
	pages         = "687--692",
	publisher     = "{Elsevier}",
	title         = "{New Techniques for Interaction in Virtual Worlds — Contents of Development and Examples}",
	year          = 1993,
}