@article {Halford-2005-HMV,
	author=		"Greame S. Halford and Rosemary Baker and Julie E. McCredden and John D. Bain",
	journal=	"Psychological Science",
	number=		"1",
	pages=		"70--76",
	title=		"How Many Variables Can Humans Process{?}",
	volume=		"16",
	year=		"2005",
	theme=		"perception and tech",
	project=	"genetic",
	added-by=	"Daniel Acevedo",
	date-added=	"Thu December 7 8:57:26 2006"
}
@article {Halford-2005-HMV-url,
	author=		"Greame S. Halford and Rosemary Baker and Julie E. McCredden and John D. Bain",
	journal=	"Psychological Science",
	note=		" \url{http://www.cs.brown.edu/research/vis/docs/pdf/bib/Halford-2005-HMV.pdf}{(pdf)} \url{http://www.cs.brown.edu/research/vis/results/bibtex/Halford-2005-HMV.bib}{(bibtex: Halford-2005-HMV)}",
	number=		"1",
	pages=		"70--76",
	title=		"How Many Variables Can Humans Process{?}",
	volume=		"16",
	year=		"2005",
	theme=		"perception and tech",
	project=	"genetic",
	added-by=	"Daniel Acevedo",
	date-added=	"Thu December 7 8:57:26 2006"
}