@book{97933,
	author = {Derruau, Max.},
	title = {Tratado de geografía humana},
	publisher = {Editorial Vicens-Vives},
	year = {1969.},
	series = {Colección Ecumene},
	address = {Barcelona},
	edition = {4. ed.},
	note = {Translation of: Précis de géographie humaine.}
}