Debach, Paul. <br/><br/>
Biological control by natural enemies   
by Paul Debach, David Rosen 
 - 2nd ed. 
 - New York  Cambridge Univ.press  1991 
 - xiv, 440p. 
<br/><br/><label>ISBN: </label>0521391911 
<br/><br/><label>Dewey Class. No.: </label>632.96  / N91