The world s oceans and rivers - What answers do they hold.
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Format: | Texto biblioteca |
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1967
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Subjects: | FFHC, FISHERIES, RESEARCH, FISHERY RESOURCES, INLAND WATERS, MARINE AREAS, FISHERY MANAGEMENT, WORLD, PECHES, RECHERCHE, RESSOURCE HALIEUTIQUE, EAUX CONTINENTALES, REGION MARINE, GESTION DES PECHES, PESCA, INVESTIGACION, RECURSOS PESQUEROS, AGUAS INTERIORES, ZONAS MARINAS, ADMINISTRACION PESQUERA, MONDE, MUNDO, |
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