TY  - BOOK
AU  - Van Helvoort,Gus
ED  - Food and Agriculture Organization of the United Nations (Rome)
TI  - Ovserver program operations Manual
SN  - 9251024618
U1  - 639.2 
PY  - 1986///
CY  - Rome
PB  - FAO
KW  - Acquaculture
KW  - Fisheries
KW  - Fishes
KW  - Cultural control
KW  - Fishing
KW  - Catch effort
KW  - Fishery management
N1  - Bibliography: p. 120-121
ER  -