Khan, Mohammed Aftab. Global geology - London : Springer-Verlag, 1976 - 165 p. : ilus. mapas - Wykeham science series ; 41 . - Wykeham science series ; 41 . LCCN: 27547 Subjects--Topical Terms: GeologĂa.Tierra. Dewey Class. No.: 550 / K5