x  x <br/><br/>
Biological control of insect pests & weeds,  x 

 - x 
 - Chapaman & Hall  Lond.  1965 
 - xxiv, 844 
<br/><br/>x 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pests - Biological control Weeds 
<br/><br/><label>Dewey Class. No.: </label>REF632.96/BIO