Whittow, J. B. The Penguin dictionary of physical geography / John B. Whittow. - Harmondsworth : Penguin, 1984. - 591 p. : ill., maps ; 20 cm. - Penguin reference books. . ISBN: 014051094X (pbk.) Subjects--Topical Terms: Physical geography--Dictionaries. Subjects--Index Terms: Physical geography - Encyclopaedias.