TY  - BOOK
AU  - Van Emden,Helmut Fritz
TI  - Aphid technology: with special reference to the study of aphids in the field 
SN  - 0127141502 :
U1  -  632.752 
PY  - 1972///
CY  - London
PB  - Academic Press
KW  - Aphids
N1  - Includes bibliographical references and index
ER  -