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| 245 | _a IOC Training Course on Oceanographic Data Management for Black Sea Countries IOC Training course reports No. 30 | ||
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_aObninsk, _bUNESCO, _c1994, |
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| 856 | _uhttp://ioc-unesco.org/index.php?option=com_oe&task=viewDocumentRecord&docID=909 | ||
| 942 | _cIOTC | ||