Strahler, Arthur Newell. <br/><br/>
Physical geology / 
Arthur N. Strahler. 
 - New York:  Harper & Row,  1981. 
 - 612 pages:    ill.;    29 cm. 
<br/><br/>Bibliography: p.577-579. 
<br/><br/><label>ISBN: </label>0060464623 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geology.