The quantitative use of the echo sounder for fish surveys.
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| Format: | Texto biblioteca |
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| Published: |
1959
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| Subjects: | EXPLORATORY FISHING, ECHOSOUNDING, FISH DETECTION, FISHING GEAR, PECHE EXPLORATOIRE, ECHOSONDAGE, DETECTION DU POISSON, ENGIN DE PECHE, PESCA DE EXPLORACION, ECOSONDEO, DETECCION DE PECES, EQUIPO DE PESCA, |
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