@article {Fruchterman-1991-GDF,
	author=		"T. M. J. Fruchterman and E. M. Reingold",
	journal=	"Softw. Pract. Exper.",
	title=		"Graph drawing by force-directed placement",
	year=		"1991",
	theme=		"",
	project=	"",
	added-by=	"Daniel Acevedo",
	date-added=	"Wed October 5 18:39:15 2005"
}
@article {Fruchterman-1991-GDF-url,
	author=		"T. M. J. Fruchterman and E. M. Reingold",
	journal=	"Softw. Pract. Exper.",
	note=		" \url{http://www.cs.brown.edu/research/vis/docs/pdf/bib/Fruchterman-1991-GDF.pdf}{(pdf)} \url{http://www.cs.brown.edu/research/vis/results/bibtex/Fruchterman-1991-GDF.bib}{(bibtex: Fruchterman-1991-GDF)}",
	title=		"Graph drawing by force-directed placement",
	year=		"1991",
	theme=		"",
	project=	"",
	added-by=	"Daniel Acevedo",
	date-added=	"Wed October 5 18:39:15 2005"
}