IVENS W. G. <br/><br/>
EAST AFRICAN WEEEDS AND THEIR CONTROL  

 - NAIROBI  OXFORD UNIVERSITY  1967 
<br/><br/><label>ISBN: </label>0 19 572530 1 
<br/><br/><label>LC Class. No.: </label>632.581/IVE  / 1 
<br/><br/><label>Dewey Class. No.: </label>632.581/IVE  / 1