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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