TY  - BOOK
AU  - Robson, T. O.
ED  - Ministry Of Agricultural Fisheries And Food
TI  - Control of aquatic weeds
PY  - 1973///
CY  - London
PB  - Her Majesty's Stationery Office
KW  - Aquatic Weeds --Control.Plant Injuries, Diseases, Pests
ER  -