@article {Richardson-1999-SKA,
	author=		"Anthony E. Richardson and Daniel R. Montello and Mary Hegarty",
	journal=	"Memory and Cognition",
	number=		"4",
	pages=		"741--750",
	title=		"Spatial Knowledge Acquisition from Maps and from Navigation in Real and Virtual Environments",
	volume=		"27",
	year=		"1999",
	theme=		"vr and perception and tech",
	project=	"vrperformance",
	added-by=	"Daniel Acevedo",
	date-added=	"Fri Jul 19 13:24:50 EDT 2002"
}
@article {Richardson-1999-SKA-url,
	author=		"Anthony E. Richardson and Daniel R. Montello and Mary Hegarty",
	journal=	"Memory and Cognition",
	note=		" \url{http://vis.cs.brown.edu/docs/pdf/bib/g/Richardson-1999-SKA.pdf.html}{(pdf)} \url{http://vis.cs.brown.edu/results/bibtex/Richardson-1999-SKA.bib}{(bibtex: Richardson-1999-SKA)}",
	number=		"4",
	pages=		"741--750",
	title=		"Spatial Knowledge Acquisition from Maps and from Navigation in Real and Virtual Environments",
	volume=		"27",
	year=		"1999",
	theme=		"vr and perception and tech",
	project=	"vrperformance",
	added-by=	"Daniel Acevedo",
	date-added=	"Fri Jul 19 13:24:50 EDT 2002"
}