Development of echo counting systems for estimating fish stocks in Japan
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Main Authors: | , , , |
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Format: | Texto biblioteca |
Language: | |
Published: |
1971
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Subjects: | FISHERY RESOURCES, FISHES, ELECTRONICS, ACOUSTIC PROPERTIES, SURVEYS, FISHERY MANAGEMENT, RESSOURCE HALIEUTIQUE, POISSON (ANIMAL), ELECTRONIQUE, PROPRIETE ACOUSTIQUE, RECURSOS PESQUEROS, PECES, ELECTRONICA, PROPIEDADES ACUSTICAS, ENQUETE, GESTION DES PECHES, ENCUESTAS, ADMINISTRACION PESQUERA, |
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