@book{134741,
	author = {Piaget, Jean, and Inhelder, Bärbel.},
	title = {Génesis de las estructuras lógicas elementales},
	publisher = {Editorial Guadalupe},
	year = {c1983.},
	address = {Buenos Aires},
	edition = {5a. ed.},
	note = {Translation of: La genèse des structures logiques élementaires.}
}