Sparks, B. W. <br/><br/>
Geomorphology. 
by B. W. Sparks 
 - \\  2nd ed. 
 - London  Longman  1972 
 - xxi, 530p.: ill., diagr., maps, table. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>LC Class. No.: </label>GB 55