@book{7778,
	author = {Pedrol, Héctor and Pérez, Jorge M},
	title = {Ciencias biológicas I Nuestra casa :},
	publisher = {Aula Abierta,},
	year = {[19--]},
	address = {Capital Federal :},
	edition = {1a ed.},
	note = {p.173.}
}