@book {Norberg-1990-VFM,
	address=	"Berlin",
	author=		"U.M. Norberg",
	publisher=	"Springer-Verlag",
	title=		"Vertebrate flight: mechanics, physiology, morphology, ecology and evolution",
	year=		"1990",
	theme=		"natural",
	project=	"bat",
	added-by=	"Daniel Acevedo",
	date-added=	"Fri February 20 12:31:35 2004"
}
@book {Norberg-1990-VFM-url,
	address=	"Berlin",
	author=		"U.M. Norberg",
	note=		" \url{http://vis.cs.brown.edu/results/bibtex/Norberg-1990-VFM.bib}{(bibtex: Norberg-1990-VFM)}",
	publisher=	"Springer-Verlag",
	title=		"Vertebrate flight: mechanics, physiology, morphology, ecology and evolution",
	year=		"1990",
	theme=		"natural",
	project=	"bat",
	added-by=	"Daniel Acevedo",
	date-added=	"Fri February 20 12:31:35 2004"
}