TY  - GEN
AU  - Van , Emden.F.Helmut  
AU  - Harrington , Richard
TI  - Aphids as crop pests
SN  - 9780851998190
U1  - 632.752 
PY  - 2007///
CY  - UK.
PB  - CAB International
KW  - APHIDS
KW  - CROP PESTS
ER  -