Sonar in fisheries

Míreanna Comhchosúla

• Sonar in fisheries
  le: Tucker, D G
• Underwater observation using sonar
  le: Tucker, D. G.
• Applied underwater acoustics
  le: Tucker, D. G.
  Foilsithe: (1966)
• Applied underwater accoustics
  le: Tucker, D. G.
  Foilsithe: (1966)
• Underwater acoustics :v.2
  Foilsithe: (1963)