Petersen, James F. Fundamentals of physical geography / James F. Petersen, Dorothy Sack, Robert E. Gabler. - Second edition. - Stamford, CT : Cengage Learning, 2015. - xix, 520 pages : illustrations (colored); maps (colored) ; 28 cm. Includes index. ISBN: 9781133606536 (pbk.) LCCN: 2013945907 Subjects--Topical Terms: Physical geography. LC Class. No.: GB54.5 / .P475 2011