@book{125449,
	author = {Henz, Hubert},
	title = {Tratado de pedagogía sistemática},
	publisher = {Editorial Herder},
	year = {1976},
	series = {Biblioteca Herder, v. 109},
	address = {Barcelona},
	edition = {2. ed.},
	note = {Translation of : Lehrbuch der systematischen Pädagogik}
}