Reliability of bottom topography obtained by ultrasonic echo sounding.
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Main Authors: | , , |
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Format: | Texto biblioteca |
Language: | |
Published: |
1959
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Subjects: | ECHOSOUNDING, ULTRASONICS, TOPOGRAPHY, FISH DETECTION, FISHING GEAR, ECHOSONDAGE, ULTRASON, TOPOGRAPHIE, DETECTION DU POISSON, ENGIN DE PECHE, ECOSONDEO, ULTRASONIDO, TOPOGRAFIA, DETECCION DE PECES, EQUIPO DE PESCA, |
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