@book{134335,
	author = {Olrog, Claês Chr},
	title = {Las aves sudamericanas : una guía de campo},
	publisher = {Universidad Nacional de Tucumán. Instituto Miguel Lillo},
	year = {1968},
	address = {Tucumán},
	note = {Tomo primero (pingûinos-pájaroscarpinteros)}
}