Manfred Mackauer <br/><br/>
Critical issues in biological control 

 - Andover  Intercept  1990 
 - 330p 
<br/><br/>Manfred Mackauer; Lester E. Ehler & Jens Roland: Critical issues in biological control.  Andover.  Intercept, 1990. 0-946707-197--(632.96MAC)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-946707-197 
<br/><br/><label>Dewey Class. No.: </label>632.96  / MAC