| 000 | 00398nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 151015s9999 xx 000 0 und d | ||
| 020 | _a9251014493 | ||
| 100 | _aJohannesson, K. A. ; Mitson, R. B. | ||
| 245 |
_aFisheries acoustics _bPractical manual for aquatic biomass estimation |
||
| 260 | _c1983 | ||
| 300 | _aviii 249p. | ||
| 500 | _aFAO fisheries technical paper no- 240 | ||
| 942 |
_cFAO _2udc |
||
| 999 |
_c24164 _d24164 |
||