Strahler, Arthur Newell,  1918-. <br/><br/>
Physical geography/ 
by Arthur N. Strahler. 
 - Third edition. 
 - Wiley:   New York,  1969. 
 - ix, 733 p. :   ill., maps (both part col.) ;  28 cm. 
<br/><br/>Bibliography: p. 673-706. 
<br/><br/><label>ISBN: </label>0471831646 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geography.