@book{149830,
	author = {Valverde y Valverde, Calixto. and Universidad Central (Madrid)},
	title = {Los códigos civiles modernos y el derecho nuevo },
	editor = {Talleres Tip. "Cuesta")},
	publisher = {[s.n.], },
	year = {1923 (},
	address = {[Valladolid] : }
}