@book{120550,
	author = {Cathrein, Victor and Jardón, Alberto.},
	title = {El derecho natural y el positivo},
	publisher = {Editorial Reus},
	year = {1926.},
	series = {Biblioteca juridica de autores españoles y extranjeros},
	address = {Madrid},
	edition = {2. ed.},
	note = {At head of title: Filosofía del derecho.}
}