Commonwealth institute of biological control 

 - Bucks  Commonwealth Agricultural Bureaux  1965 
 - [ii],150p.  23cm 
 - Technical bulletin No.5 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Biological control<br/>pests and disease control<br/>Plant injuries, disease, pests
<br/><br/><label>Dewey Class. No.: </label>632.96  / COM