00301nam a2200133Ia 45000030006000000080041000060400015000471000014000622450029000762500011001052600022001165460012001380050017001500STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aTemes, L.  aElectronic communication  aSecond  bMcgraw hillc1979  aEnglish20220125170207.0