Khan, M. Aftab Global geology / M. Aftab Khan - London : Wykeham Publications, 1976 - ix, 165 p. : ill. ; 22 cm. - The Wykeham Science Series ; v. 41 . Includes bibliographies and index. ISBN: 0387911324 LCCN: 75-038616 Subjects--Topical Terms: Physical geology.Geophysics.