@book{115325,
	author = {Clarkson, Jan Nagel.},
	title = {Tretas que hacen los animales},
	publisher = {Editorial Norma},
	year = {c1975.},
	series = {Exploremos con la National Geographic.},
	address = {Bogotá, Colombia},
	note = {Translation of: Tricks animals play.}
}