00323nam a2200121Ia 45000030006000000080041000060400015000471000031000622450042000932600037001355460012001720050017001840STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aMajestys Stationery Office  aHandbook of wireless telegraphy vol I  bMajestys Stationery Officec1938  aEnglish20220125170154.0