Petersen, James F., Fundamentals of physical geography / James F. Petersen, Dorothy Sack, Robert E. Gabler. - Second edition. - xix, 520 pages : color illustrations, color maps ; 28 cm. Includes index. ISBN: 9781133606536 (paperback) RM636.94 1133606539 (paperback) Subjects--Topical Terms: Physical geography.