@book{14659,
	author = {Thornton, Stephanie and Amo, Tomás del},
	title = {La resolución infantil de problemas},
	publisher = {Ediciones Morata},
	year = {1998},
	series = {El desarrollo en el niño},
	address = {Madrid},
	note = {Lecturas recomendadas p. 158}
}