Robert Van Den Bosch <br/><br/>
Biological control 

 - New York  Intext Educational Publishers  1973 
 - 180p 
<br/><br/>Robert Van Den Bosch & P.S. Messenger: Biological control.  New York.  Intext Educational Publishers, 1973. 0-7002-02307--(632.96VAN)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-7002-02307 
<br/><br/><label>Dewey Class. No.: </label>632.96  / VAN