Debach, Paul <br/><br/>
Biological control by natural enemies / 
Paul DeBach, David Rosen 
 - 2nd ed. 
 - Cambridge  :  Cambridge University Press,  1991 
 - 440 p. :  ill. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insect pests--Biological control<br/>Weeds--Biological control<br/>Agricultural pests--Biological control