Strahler, Arthur N <br/><br/>
Physical Geography 

 - 3rd ed 
 - New Delhi  Wiley Eastern  1971 
 - ix, 733 p.   
<br/><br/>  plates, maps 
<br/><br/><label>ISBN: </label>
<br/><br/><label>ISSN: </label>
<br/><br/><label>Dewey Class. No.: </label>911.2