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  1. 1

    Fisheries sonar (incorporating underwater observation using sonar per Mitson, R. B.

    Publicat 1983
    Llibre

    Fisheries sonar (incorporating underwater observation using sonar
  2. 2

    Echo sounding and sonar for fishing.

    Publicat 1980
    Llibre

    Echo sounding and sonar for fishing.
  3. 3

    The detection of fish per Cushing, D. H.

    Publicat 1973
    Llibre

    The detection of fish
  4. 4

    The detection of fish per Cushing, David H.

    Publicat 1973
    Llibre

    The detection of fish

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