@article {Cleveland-1984-GPT,
	author=		"William S. {Cleveland} and Robert McGill",
	journal=	"Journal of the American Statistical Association",
	month=		"September",
	number=		"387",
	pages=		"531--554",
	title=		"Graphical Perception: Theory, Experimentation, and Application to the Development of Graphical Methods",
	volume=		"79",
	year=		"1984",
	theme=		"perception and tech and vr and natural and medicine and art",
	project=	"genetic",
	added-by=	"Daniel Acevedo",
	date-added=	"Thu June 27 12:45:17 2002"
}
@article {Cleveland-1984-GPT-url,
	author=		"William S. {Cleveland} and Robert McGill",
	journal=	"Journal of the American Statistical Association",
	month=		"September",
	note=		" \url{http://vis.cs.brown.edu/docs/pdf/bib/g/Cleveland-1984-GPT.pdf.html}{(pdf)} \url{http://vis.cs.brown.edu/results/bibtex/Cleveland-1984-GPT.bib}{(bibtex: Cleveland-1984-GPT)}",
	number=		"387",
	pages=		"531--554",
	title=		"Graphical Perception: Theory, Experimentation, and Application to the Development of Graphical Methods",
	volume=		"79",
	year=		"1984",
	theme=		"perception and tech and vr and natural and medicine and art",
	project=	"genetic",
	added-by=	"Daniel Acevedo",
	date-added=	"Thu June 27 12:45:17 2002"
}