@book{48129,
	author = {Larson, Gary and Larson, Gary},
	title = {Cows of our planet },
	publisher = {Scholastic ,},
	year = {© 1992},
	series = {A Far Side Collection},
	address = {New York : },
	note = {Contiene gráficas ilustradas en el centro del libro deplegables.}
}