TY  - BOOK
AU  - O.Nakken
AU  - S.C.Venema
TI  - Symposium on Fisheries Acoustics
T2  - FAO Fisheries Report No.300
SN  - 9251014507
U1  - 639.2 
PY  - 1983///
CY  - Rome
PB  - FAO of the United Nations
ER  -