@techreport {Marks-1993-CCC,
	author=		"Joseph Marks and Stuart Shieber",
	institution=	"Center for Research in Computing Technology, Harvard University",
	number=		"TR-05-91",
	title=		"The Computational Complexity of Cartographic Label Placement",
	year=		"1993",
	theme=		"natural and tech",
	project=	"genetic",
	added-by=	"Christina Kennedy",
	date-added=	"Mon December 15 10:02:13 2003"
}
@techreport {Marks-1993-CCC-url,
	author=		"Joseph Marks and Stuart Shieber",
	institution=	"Center for Research in Computing Technology, Harvard University",
	note=		" \url{http://vis.cs.brown.edu/docs/pdf/bib/g/Marks-1993-CCC.pdf.html}{(pdf)} \url{http://vis.cs.brown.edu/results/bibtex/Marks-1993-CCC.bib}{(bibtex: Marks-1993-CCC)}",
	number=		"TR-05-91",
	title=		"The Computational Complexity of Cartographic Label Placement",
	year=		"1993",
	theme=		"natural and tech",
	project=	"genetic",
	added-by=	"Christina Kennedy",
	date-added=	"Mon December 15 10:02:13 2003"
}