@book{88112,
	author = {Unamuno y Jugo, Miguel de,},
	title = {Por tierras de Portugal y de España.},
	publisher = {Espasa-Calpe},
	year = {[1964]},
	series = {Colección austral, no. 221},
	address = {[Madrid]},
	edition = {6 ed.}
}