Thornbury, William D. <br/><br/>
Principles of geomorphology 
[by] William D. Thornbury. 
 - New Age,  New Delhi,  [1968, c1969] 
 - xi, 594 p.  illus., maps.  23 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>471861979 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geomorphology.
<br/><br/><label>Dewey Class. No.: </label>551.4  / THP,2000