TY  - BOOK
AU  - Forbes, S.T.(ed.)
ED  - Nakken, O.(ed.)
TI  - Aquatic weeds : their menace and controlmanual of methods for fisheries resource survey and appraisal
U1  - 333.707 
PY  - 1972///
CY  - Rome
PB  - Food And Agriculture Organization Of The United Nations
ER  -