Ivens, G.W. <br/><br/>
East African weeds and their control 
G.W. Ivens 
 - Nairo  Oxford  1967 
 - xvi, 289p.:ill.  Hbk 
<br/><br/><label>ISBN: </label>0195725301 
<br/><br/><label>LC Class. No.: </label>SB605.A3.I8  / 1967