@book{32519,
	author = {Nohl, Herman. and Frenk, Mariana,},
	title = {Introducción a la etica :},
	publisher = {Fondo de cultura economica,},
	year = {1952.},
	series = {Breviarios del Fondo de Cultura Economica ;},
	address = {Mexico :},
	note = {Titulo original. Die sittlichen grunderfahrungen, eine einf hrung in die ethik.}
}