Strahler , Arthur  N. <br/><br/>
Physical geography/    
by Arthur  N.Strahler 
 - 4th ed. 
 - NewYork  :   John Wiley  ,   1975 
 - ix , 641  p.  ;    27  cm. 
<br/><br/>Includes bibliographical references  and index 
<br/><br/><label>ISBN: </label>0471831603 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geography.--------
<br/><br/><label>Dewey Class. No.: </label>91.55 STR