| 000 | 00359nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 140122s9999 xx 000 0 und d | ||
| 082 | _a Johnnesson | ||
| 100 | _aJohnnesson K A | ||
| 245 | _aFisheries acoustics - a practical manual for aquatic biomass estimation FAO fish. Tech. paper - 240 | ||
| 260 |
_b _c1983 |
||
| 700 | _a Mitson R B | ||
| 942 |
_cBK _2ddc |
||
| 999 |
_c4980 _d4980 |
||