@techreport {Gabbard-1997-TUC,
	address=	"Blacksburg, Virginia",
	author=		"Joseph L. Gabbard and Deborah Hix",
	institution=	"Virginia Polytechnic Institute and State University",
	month=		"November",
	title=		"A Taxonomy of Usability Characteristics in Virtual Environments",
	year=		"1997",
	theme=		"perception and vr and tech",
	project=	"vrperformance",
	added-by=	"Daniel Acevedo",
	date-added=	"Thu June 27 12:45:17 2002"
}
@techreport {Gabbard-1997-TUC-url,
	address=	"Blacksburg, Virginia",
	author=		"Joseph L. Gabbard and Deborah Hix",
	institution=	"Virginia Polytechnic Institute and State University",
	month=		"November",
	note=		" \url{http://vis.cs.brown.edu/docs/pdf/bib/g/Gabbard-1997-TUC.pdf.html}{(pdf)} \url{http://vis.cs.brown.edu/results/bibtex/Gabbard-1997-TUC.bib}{(bibtex: Gabbard-1997-TUC)}",
	title=		"A Taxonomy of Usability Characteristics in Virtual Environments",
	year=		"1997",
	theme=		"perception and vr and tech",
	project=	"vrperformance",
	added-by=	"Daniel Acevedo",
	date-added=	"Thu June 27 12:45:17 2002"
}