| Citation | Bleil, W. and D. Kästner, 1987. Hydroacoustic investigations on day-and night-concentrations and on the variability of trawls in the western Baltic. ICES C.M./J:23,21p. |
| DOI | http://dx.doi.org/ |
| Paper URL | |
| Address | |
| Ref. No. | 49888 |
| Language | English |
| Usage | not used yet |
| Comments | |
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