Hull, Oswald. A geography of production / Oswald Hull. - London, Melbourne [etc.] New York, Macmillan; St. Martin's P., 1968. - xvi, 344 p. : 32 plates, illus., maps. ; 23 cm. Bibliography: p. 315-327. Subjects--Topical Terms: Economic geography. Dewey Class. No.: 330.9 / HUG 1968