@article {Barr-1981-SAP,
	author=		"A. Barr",
	journal=	"{IEEE} Computer Graphics and Applications",
	number=		"1",
	pages=		"11--23",
	title=		"Superquadrics and angle-preserving transformations",
	volume=		"1",
	year=		"1981",
	theme=		"",
	project=	"",
	added-by=	"Daniel Acevedo",
	date-added=	"Tue June 29 17:18:00 2004"
}
@article {Barr-1981-SAP-url,
	author=		"A. Barr",
	journal=	"{IEEE} Computer Graphics and Applications",
	note=		" \url{http://vis.cs.brown.edu/results/bibtex/Barr-1981-SAP.bib}{(bibtex: Barr-1981-SAP)}",
	number=		"1",
	pages=		"11--23",
	title=		"Superquadrics and angle-preserving transformations",
	volume=		"1",
	year=		"1981",
	theme=		"",
	project=	"",
	added-by=	"Daniel Acevedo",
	date-added=	"Tue June 29 17:18:00 2004"
}