Principles of Geomorphology  Textual Documents 
William D.Thornbury 
 - 2nd ed. 
 - New Delhi  New Age International ( P ) Limited  2008 
 - 594pg:  ills;  23cm. 
<br/><br/><label>ISBN: </label>0852268858 
<br/><br/><label>Subjects--Index Terms: </label>Geomorphology Geography G- Geography PG- Geography 
<br/><br/><label>Dewey Class. No.: </label>551.41