@inproceedings{CHI-1999-LindemanSH,
	author        = "Robert W. Lindeman and John L. Sibert and James K. Hahn",
	booktitle     = "{Proceedings of the 17th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/302979.302995",
	isbn          = "0-201-48559-1",
	pages         = "64--71",
	publisher     = "{ACM}",
	title         = "{Towards Usable VR: An Empirical Study of User Interfaces for Immersive Virtual Environments}",
	year          = 1999,
}