Appraisal of inland fishery resources - Productivity appraisal of inland waters.
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| Format: | Texto biblioteca |
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| Published: |
1960
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| Subjects: | INLAND WATERS, PRODUCTIVITY, INLAND FISHERIES, ECONOMIC SITUATION, EAUX CONTINENTALES, PRODUCTIVITE, PECHE CONTINENTALE, SITUATION ECONOMIQUE, AGUAS INTERIORES, PRODUCTIVIDAD, PESCA CONTINENTAL, SITUACION ECONOMICA, |
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