@book {Piegl-1995-NBK,
	author=		"Les Piegl and Wayne Tiller",
	publisher=	"Springer",
	title=		"The Nurbs Book",
	year=		"1995",
	theme=		"",
	project=	"",
	added-by=	"Christina Kennedy",
	date-added=	"Tue December 16 15:31:03 2003"
}
@book {Piegl-1995-NBK-url,
	author=		"Les Piegl and Wayne Tiller",
	note=		" \url{http://vis.cs.brown.edu/results/bibtex/Piegl-1995-NBK.bib}{(bibtex: Piegl-1995-NBK)}",
	publisher=	"Springer",
	title=		"The Nurbs Book",
	year=		"1995",
	theme=		"",
	project=	"",
	added-by=	"Christina Kennedy",
	date-added=	"Tue December 16 15:31:03 2003"
}