| Title: | ICES Cooperative Research Report |
| Subtitle: | |
| Nationality: | Denmark |
| ISSN: | 1017-6195 |
| UDC: | 639 |
| Note: |
| Fish Resource Institute - | Varna - | 1998 |
| Fish Resource Institute - | Varna - | 1999 |
| Fish Resource Institute - | Varna - | 2000 |
| Fish Resource Institute - | Varna - | 2001 |
| Fish Resource Institute - | Varna - | 2002 |
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