Strahler, Arthur Newell,  1918- <br/><br/>
Elements of physical geography / 
Arthur N. Strahler, Alan H. Strahler 
 - 4th ed. 
 - New York ;  Chichester :  Wiley,  c1975 
 - xiv, 646 p. :  col. ill. ;  29 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0471616478 
<br/><br/><label>Source: </label>B-2955 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geography
<br/><br/><label>LC Class. No.: </label>GB56.  / .S75 1975