@book{134873,
	author = {Thomas, Richard Samuel. and Conkling, Edgar Clark.},
	title = {Geografía del comercio internacional / },
	publisher = {Vicens-Vives, },
	year = {[1972]},
	series = {Biblioteca básica de geografía económica},
	address = {[Barcelona] : },
	edition = {[1ª ed.].}
}