TY  - GEN
AU  - Barnes,H.F.
TI  - Gall midges of economic importance
PY  - 1956///
CY  - London
PB  - Crosby Lockwood & Sons
KW  - Economic Entomology
KW  - Gall Midges
N1  - Vol. 7 : Gall midges of cereal crops
ER  -