00271nam a2200121Ia 45000030006000000080041000060400015000471000014000622450022000762600022000985460012001200050017001320STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSeely, S.  aRadio electronics  bMcgraw hillc1956  aEnglish20220125170206.0