Van den Bosch, Robert. <br/><br/>
An introduction to biological control / 
Robert van den Bosch, P.S. Messenger, A.P. Gutierrez. 
 - New York :  Plenum Press,  1982. 
 - 247 p. :  ill. ;  24cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pests--Biological control.<br/>Insect control--Biological control.