@book{44259,
	author = {Gesell, Arnold},
	title = {El niño de 1 a 5 años : Guía para el estudio del niño preescolar / },
	publisher = {Editorial Paidós, },
	year = {1966},
	series = {Biblioteca de psicología evolutiva. Serie Gesell 1},
	address = {Buenos Aires : },
	edition = {5a. ed.}
}