Strahler, Arthur Newell,  1918- <br/><br/>
Geography and man's environment / 
Arthur N. Strahler, Alan H. Strahler 
 - New York : John Wiley & Sons,  1977 
 - xi, 525 p. :  ill. ;  29 cm. 
<br/><br/>includes bibliographical references (p. 493-509) and index 
<br/><br/><label>ISBN: </label>0471018708 
<br/><br/><label>LCCN: </label>76-030759 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geography<br/>Conservation of natural resources<br/>Environmental protection