@book{13154,
	author = {Pachón C., Ximena and Fonseca Leal, Mireya},
	title = {La niñez en el siglo XX : },
	publisher = {Planeta Colombiana Editorial,},
	year = {1991.},
	series = {Colección Vida Cotidiana},
	address = {Santafé de Bogotá :}
}