Strahler, Arthur Newell, <br/><br/>
Planet earth :  its physical systems through geologic time , 
Arthur N. Strahler. 
 - New York :  Harper & Row,  1972. 
 - 438 p. :  ill. ;  27 cm. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>2060464593 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences