000 003430000a22001330004500
001 15754
090 _a15754
100 _a20190520 frey50
101 _aeng
200 0 1 _aKalanviljely vuonna 1979 = Fish culture in 1979
210 _a[S.l.]
_c[19--?]
_d[s.n.]
215 _a[4] p.
_d25 cm
305 _aSep. de: Suomer Kalatalous, 49
317 _aIPIMAR