H.F. Van Emden <br/><br/>
Aphid technology : With special reference to the study of aphids in the field 

 - London  Academic Press  1972 
 - 344p 
<br/><br/>H.F. Van Emden: Aphid technology : With special reference to the study of aphids in the field.  London.  Academic Press, 1972. 0-12-714150-2--(632.7EMD)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-12-714150-2 
<br/><br/><label>Dewey Class. No.: </label>632.7  / VAN