00311nam a2200121Ia 45000030006000000080041000060400015000471000035000622450054000972600009001515460012001600050017001720STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aOatley, C.W.; Richardson, O.W.  aWireless receivers the principles of their design  c1923  aEnglish20220125170112.0