@book{56184,
	author = {Biggs, Alton.},
	title = {Biología /},
	publisher = {McGraw-Hill,},
	year = {2007.},
	address = {México, D.F. :},
	note = {En la cabeza de título: Glencoe CienciaReimpreso de: Glencoe Biology spanish student edition.}
}