Strahler, Arthur Newell. <br/><br/>
Principles of physical geology / 
Arthur N. Strahler. 
 - New York :  Harper & Row,  1977. 
 - 419 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0060464577 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geology.