@book{50419,
	author = {Villee, Claude Alvin.},
	title = {Biología.},
	publisher = {EUDEBA,},
	year = {1971(c.1961).},
	series = {Manuales de EUDEBA. Biología},
	address = {Buenos Aires :},
	note = {Trad. de la 3 ed. en inglés}
}