@book{97751,
	author = {Wolff, Philippe},
	title = {Origen de las lenguas occidentales, 100-1500 d.C.},
	publisher = {Ediciones Guadarrama},
	year = {[1971]},
	series = {Biblioteca para el hombre actual},
	address = {Madrid},
	note = {Translation of Les langues occidentales.}
}