Gregory, Kenneth J  author. <br/><br/>
The basics of geomorphology key concepts/ 
Kenneth J Gregory & John Lewin. 
 - London :  SAGE ,  2014. 
 - xii, 231 pages :  illustrations ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9781473905757 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geomorphology.