TY  - GEN
AU  - 
AU  - Fryer, J.D., ed.
AU  - Evans, S.A., ed.
TI  - Weed control handbook
PY  - 1970///
CY  - London
PB  - Blackwell
KW  - Weed Control
N1  - Vol. 1 : Principles; Vol. 1 : Principles including plant growth regulators
ER  -