Van den Bosch, Robert <br/><br/>
Biological control/ 
Robert Van den Bosch and P.S. Messenger 
 - Aylesburg:  Intertext,  c1973 
 - xi, 180 p.:  ill.;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0700202307  £ 1.25 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural pests--Biological control<br/>Agricultural pests--Control<br/>Insect pests--Biological control<br/>Insects, Injurous and Bineficial--Biological control
<br/><br/><label>Dewey Class. No.: </label>632.96