Butler, David R. <br/><br/>
Zoogeomorphology : animals as geomorphic agents /  
David R. Butler. 
 - /   . 
 - Cambridge :   Cambridge University Press ,   1995. 
 - vii,231p. :   ill.,figs. ;   23cm  1 CD .  
<br/><br/>Includes references and index 
<br/><br/><label>ISBN: </label>0521433436  UKP 30.00 
<br/><br/><label>Subjects--Index Terms: </label>BIOGEOMORPHOLOGY 
<br/><br/><label>Dewey Class. No.: </label>591.51  / BUT/Z