@book{87563,
	author = {Kühn, Herbert. and Utrilla, Juan José.},
	title = {El arte de la época glacial / },
	publisher = {Fondo de Cultura Económica, },
	year = {[1971]},
	series = {Breviarios del Fondo de Cultura Económica},
	address = {México : },
	edition = {[1ª ed.].}
}