00313nam a2200133Ia 45000030006000000080041000060400015000471000031000622450037000932500011001302600009001415460012001500050017001620STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aReyner, J.H.; Howe, G.W.O.  aModern radio communication vol I  aEighth  c1947  aEnglish20220125170108.0