@book{6258,
	author = {Bapat, R. B. and Raghavan, T. E. S.},
	title = {Nonnegative matrices and applications /},
	publisher = {Cambridge University Press,},
	year = {c1997.},
	address = {Cambridge, UK ;},
	url = {http://www.loc.gov/catdir/description/cam027/96012844.html}
}