00277nam a2200109Ia 4500008004100000040001200041082001400053100002000067245003100087260004200118300000700160200103s9999||||xx |||||||||||||| ||und||  aIMU-MPC  aColumn-43  aArmitage, W. F. 0aTugs and Towing Operations  bThe Maritime Press Ltd., Londonc1962  a79