@article {Keefe-2007-DOA,
	author=		"Daniel Keefe and Robert Zeleznik and David H. Laidlaw",
	journal=	"IEEE Transactions on Visualization and Computer Graphics",
	month=		"September/October",
	number=		"5",
	pages=		"1067--1080",
	title=		"Drawing on Air: Input Techniques for Controlled {3D} Line Illustration",
	volume=		"13",
	year=		"2007",
	theme=		"art and vr",
	project=	"cavepainting",
	added-by=	"Daniel Acevedo",
	date-added=	"Mon August 27 15:45:12 2007"
}
@article {Keefe-2007-DOA-url,
	author=		"Daniel Keefe and Robert Zeleznik and David H. Laidlaw",
	journal=	"IEEE Transactions on Visualization and Computer Graphics",
	month=		"September/October",
	note=		" \url{http://vis.cs.brown.edu/docs/pdf/g/Keefe-2007-DOA.pdf.html}{(pdf)} \url{http://vis.cs.brown.edu/results/bibtex/Keefe-2007-DOA.bib}{(bibtex: Keefe-2007-DOA)}",
	number=		"5",
	pages=		"1067--1080",
	title=		"Drawing on Air: Input Techniques for Controlled {3D} Line Illustration",
	volume=		"13",
	year=		"2007",
	theme=		"art and vr",
	project=	"cavepainting",
	added-by=	"Daniel Acevedo",
	date-added=	"Mon August 27 15:45:12 2007"
}