Boehm, Richard G., World geography : a physical and cultural approach / Richard G. Boehm, James L. Swanson. - Third edition. - New York : Glencoe / McGraw Hill, 1992. - 672 pages : color illustrations, maps, figures ; 25 cm. Includes Index. ISBN: 002800079 Subjects--Topical Terms: World geography. Dewey Class. No.: 913 / B63