| 000 | 004410000a22001810004500 | ||
|---|---|---|---|
| 001 | 20826 | ||
| 090 | _a20826 | ||
| 100 | _a20190520 frey50 | ||
| 101 | _aeng | ||
| 102 | _aIT | ||
| 200 | 0 | 1 |
_aObserver program operations manual _fGus Van Helvoort |
| 210 |
_aRome _c1986 _dFAO |
||
| 215 |
_a207 p. _cil. _d30 cm |
||
| 225 | _aFAO fisheries technical paper | ||
| 317 | _aIPIMAR | ||
| 676 | _a088 v | ||
| 686 | _aG 11 | ||
| 700 |
_aVan Helvoort, _bGus |
||