Thornbury, William D., <br/><br/>
Principles of Geomorphology  Textual Documents 
William D. Thornbury 
 - New Delhi  CBS Publishers & Distributors 
 - 594p:  ill;  22cm. 
<br/><br/><label>ISBN: </label>81-239-0811-3 
<br/><br/><label>Subjects--Index Terms: </label>Principles of Geomorphology PG - Geology 
<br/><br/><label>Dewey Class. No.: </label>551.4