Greathead, D. J. <br/><br/>
A review of biological control in the Ethiopian region, 

 - Farnham Royal,  Commonwealth Agricultural Bureauz,  1971. 
 - 162pg.  map. 
<br/><br/><label>ISBN: </label>0851980228 
<br/><br/><label>LC Class. No.: </label>MED RA639  / G7