00286nam a2200133Ia 45000030006000000080041000060400015000471000020000622450022000822500010001042600009001145460012001230050017001350STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aJanenbaum, A.S.  aComputer networks  aThird  c1996  aEnglish20220125160201.0