TY  - BOOK
AU  - Nakken,O.
AU  - Venema,S.C.
ED  - Symposium on fisheries acoustics
TI  - Symposium on fisheries acoustics : : selected papers of the ICES/FAO Symposium on fisheries acoustics : Bergen, Norway, 21-24 June 1982 / 
SN  - 9251014507
PY  - 1983///
CY  - Rome
PB  - FAO
ER  -