@book{59283,
	author = {Eikenberry, William Lewis. and Waldron, R. A.},
	title = {Biología pedagógica / },
	editor = {Tip. Nacional)},
	publisher = {Publicaciones de la Revista de Pedagogía, },
	year = {1931 (},
	series = {Biblioteca pedagógica ; },
	address = {Madrid : }
}