TY  - BOOK
AU  - Emden, H. F. Van,
TI  - Aphids as Crop Pests
SN  - 9780851998190
U1  - 632 
PY  - 2007///
CY  - Wallingford
PB  - CABI Publishing
KW  - Crop Pests
KW  - Plant injuries, diseases & pests
ER  -