Anger, D. V. (Derek Victor) The New catastrophism the importance of the rare event in geological history Derek Ager - Cambridge : Cambridge University Press, 1993 - xx, 231 p. : ill. ; 26 cm. Includes bibliographical references (p. 199-215) and index ISBN: 0521420199 RM101.55 Subjects--Topical Terms: Catastrophes (Geology)