TY  - GEN
AU  - Fryer, J.D
AU  - Makepeace, R.J
TI  - Weed control handbook , vol.1: principles, including plant growth regulators
SN  - 0632002093
U1  - 632.580941 
PY  - 1977///
CY  - Oxford
PB  - Blackwell
KW  - Agriculture
ER  -