Thornbury, William D <br/><br/>
Principles of geomorphology 

 - 2nd ed. 
 - New Delhi  CBS  2002-R2004 
 - xi,594p.  PB  21cm. 
<br/><br/><label>ISBN: </label>8123908113 
<br/><br/><label>Dewey Class. No.: </label>551.41  / THO