A. V Shepley <br/><br/>
Basic approaches to ecology 

 - Oxford  Pergamon Press  1970 
 - 56p 
<br/><br/>A. V Shepley: Basic approaches to ecology.  Oxford.  Pergamon Press, 1970.--(574.5SHE)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>574.5  / S H E