Present status of echo sounding and sonar and their application in Japanese fisheries
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| Format: | Texto biblioteca |
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1971
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| Subjects: | FISHERIES, FISH DETECTION, FISHING GEAR, ECHOSOUNDING, FISHERY MANAGEMENT, PECHES, DETECTION DU POISSON, ENGIN DE PECHE, ECHOSONDAGE, PESCA, DETECCION DE PECES, EQUIPO DE PESCA, ECOSONDEO, GESTION DES PECHES, ADMINISTRACION PESQUERA, |
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