00350    a2200133   4500003000500000005001700005040000900022082001200031100002500043245008000068260003300148300001000181650002500191Nust20170207153500.0  cNust  a621.382  aGravely , Colonel. T  aThe Second World War 1939--1945bSignal CommunicationscColonel T B Gravely  aLondonbThe War Officec1959  a478:p  aThe Second World War