Lyle, Guy R. <br/><br/>
Principles of geology 

 - London  Penguin Books Ltd.   1997 
 - xlvii,471p. 
<br/><br/><label>ISBN: </label> RS 643.20 (UKP 7.99) 
<br/><br/><label>Source: </label> RS 643.20 (UKP 7.99) 
<br/><br/><label>Dewey Class. No.: </label>551 LYE