Van, E.H.F. <br/><br/>
Pest control and its ecology / 
Helmut F.Van Emden 
 - London  Edward Arnold  1974 
 - 59 pages 
 - The Institute of bioogy's studies in biology No.50 .
<br/><br/> Include bibliography 
<br/><br/><label>Dewey Class. No.: </label>632  / VAN