000 00343nam a2200133Ia 4500
008 151015s9999 xx 000 0 und d
020 _a9251014507
100 _aNakken, O. ; Venema, S. C.
245 _aSymposium on fisheries acoutics
260 _c1983
300 _avii 331p.
500 _aFAO fisheries report no- 300
942 _cFAO
_2udc
999 _c24352
_d24352