Cald wells screw tug design

Antzeko izenburuak

• Screw tug design rev by Jeffrey N Wood /
  nork: Caldwell, Allam
  Argitaratua: (1969)
• Tugs, towboat and towing
  nork: Brady, Edward M
  Argitaratua: (1967)
• The fifth international tug convention
  nork: Troup, D Kenneth Ed. by
• Marx and the Third world Tr by Pat Ransford and ed by Malcolm cald well /
  nork: Melotti, Umberto
  Argitaratua: (1977)
• The design of marine screw propellers
  nork: O'Brien, T P
  Argitaratua: (1969)