Principles of Geomorphology  Textual Documents 
William D. Thornbury 
 - 2nd ed. 
 - New Delhi  New Age International ( P ) Limited  2013 
 - 594pg:  19cm. 
<br/><br/><label>ISBN: </label>978-0-85226-885-8 
<br/><br/><label>Subjects--Index Terms: </label>Geology, hydrology & meteorology G- Geology 
<br/><br/><label>Dewey Class. No.: </label>551.4