TY  - BOOK
AU  - Emden, H.F. Van  .
TI  - Aphids as crop pests / 
SN  - 978-0-85199-819-0
U1  - J:438:4 
PY  - 2007///
CY  - UK : 
PB  - CABI Publishing , 
KW  - Crop Pests
ER  -