Thornbury,William D , <br/><br/>
Principles of geomorphology  Textual Documents 
William D Thornbury 
 - 2nd ed. 
 - New Delhi  CBS Publishers & Distributors Pvt. Ltd.  2004 
 - xi, 594p.:  24cm. 
<br/><br/><label>ISBN: </label>9788123908113 
<br/><br/><label>Subjects--Index Terms: </label>Geomorphology 
<br/><br/><label>Dewey Class. No.: </label>551.4