@book{37662,
	author = {Piaget, Jean.},
	title = {El lenguaje y el pensamiento del niño pequeño /},
	publisher = {Paidos,},
	year = {1987.},
	series = {Paidos educador ;},
	address = {Barcelona :},
	note = {Titulo original: Readings in child psychology (Part V languaje and Thought)}
}