@book{156254,
	author = {Spencer, Zane and Ciento cincuenta juegos y actividades preescolares.},
	title = {150 juegos y actividades preescolares},
	publisher = {Ediciones CEAC},
	year = {1990.},
	series = {Colección educación y ensenanza},
	address = {Barcelona},
	note = {Translation of: 150 plus! games and cativities for early childhood}
}