00331nam a2200121Ia 4500008004100000040001200041082001300053100001700066245007000083250001200153260003600165300000800201200103s9999||||xx |||||||||||||| ||und||  aIMU-MPC  aColumn-5  aPalmer, A.R. 0aBrown's Signalling How to learn the International code of signals  a8th Ed.  bBrown, Son & Ferguson Ltdc1969  a223