@book{7292,
	author = {Perrins, Christopher M.},
	title = {Enciclopedia ilustrada de las aves},
	publisher = {Plaza & Jones,},
	year = {1991},
	series = {Colección materia viva},
	address = {Barcelona :},
	note = {Trad. de: A complete checklist of birds of the world, 3 ed. de 1990}
}