@book{184154,
	author = {Levin, Ina Massler. and Levin, Michael H.},
	title = {Fácil y divertido actividades para aprender el bebé},
	publisher = {Oniro},
	year = {c2001.},
	series = {Niño y su mundo},
	address = {Barcelona},
	note = {Translation of: Quick & fun learning activities for babies, c 1996.}
}