@book{44453,
	author = {Piaget, Jean and Fernández Buey, Francisco J.},
	title = {Psicología y epistemología / },
	publisher = {Editorial Ariel ,  },
	year = {1979 . },
	series = {Ariel Quincenal},
	address = {Barcelona : },
	edition = {5a. ed.},
	note = {Incluye índice.}
}