@book {Hale-1993-AAN,
	author=		"Nathan Cabot Hale",
	publisher=	"Dover Publications, Incorporated",
	title=		"Abstraction in Art and Nature",
	year=		"1993",
	theme=		"art",
	project=	"art",
	added-by=	"Daniel Acevedo",
	date-added=	"Wed September 15 17:40:52 2004"
}
@book {Hale-1993-AAN-url,
	author=		"Nathan Cabot Hale",
	note=		" \url{http://vis.cs.brown.edu/docs/pdf/bib/g/Hale-1993-AAN.pdf.html}{(pdf)} \url{http://vis.cs.brown.edu/results/bibtex/Hale-1993-AAN.bib}{(bibtex: Hale-1993-AAN)}",
	publisher=	"Dover Publications, Incorporated",
	title=		"Abstraction in Art and Nature",
	year=		"1993",
	theme=		"art",
	project=	"art",
	added-by=	"Daniel Acevedo",
	date-added=	"Wed September 15 17:40:52 2004"
}