00267nam a2200121Ia 45000030006000000080041000060400015000471000016000622450029000782600009001075460012001160050017001280STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aRoussel, J.  aWireless for the amateur  c1923  aEnglish20220125170112.0