TY  - BOOK
AU  - Vereijken, P.H.
TI  - Flooding and multiplication of three cereal aphid species and their effect on yield of winter wheat
U1  - 633.115.8 V47F 
PY  - 1979///
CY  - Wageningen
PB  - Centre for Agricultural Publishing and Documentation
KW  - WHEAT
KW  - GRAIN - LOUSE
ER  -