@book {Tufte-1997-VEX,
	author=		"Edward Tufte",
	publisher=	"Graphics Press",
	title=		"Visual Explanations",
	year=		"1997",
	theme=		"perception and natural",
	project=	"genetic",
	added-by=	"Daniel Acevedo",
	date-added=	"Wed October 3 17:37:53 2007"
}
@book {Tufte-1997-VEX-url,
	author=		"Edward Tufte",
	note=		" \url{http://vis.cs.brown.edu/results/bibtex/Tufte-1997-VEX.bib}{(bibtex: Tufte-1997-VEX)}",
	publisher=	"Graphics Press",
	title=		"Visual Explanations",
	year=		"1997",
	theme=		"perception and natural",
	project=	"genetic",
	added-by=	"Daniel Acevedo",
	date-added=	"Wed October 3 17:37:53 2007"
}