00309nam a2200121Ia 4500008004100000040001200041082001400053100001900067245005200086250001200138260002600150300001100176200103s9999||||xx |||||||||||||| ||und||  aIMU-MPC  aColumn-56  aWalton, Thomas 0aSteel Ships: Their construction and Maintenance  a9th Ed.  bGriffin, Londonc1964  ax, 353