Ager, Derek <br/><br/>
The new catastrophism: the importance of the rare event in geologocal history 
by Derek Ager 
 - Melbourne  Cambridge University Press  1993 
 - xx, 231p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Catatrophism
<br/><br/><label>Dewey Class. No.: </label>YA55 Ag37