@book{144779,
	author = {Wallon, Henri},
	title = {La evolución psicologica del niño},
	publisher = {Editorial Crítica, Grupo Editorial Grijalbo},
	year = {1984.},
	address = {Barcelona},
	edition = {5. ed.},
	note = {Translation of : L'evolution psychologique de l'enfant.}
}