00317nam a2200133Ia 45000030006000000080041000060400015000471000017000622450034000792500010001132600031001235460012001540050017001660STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aWalton, A.K.  aNetwork analysis and practice  aFirst  bCambridge universityc1987  aEnglish20220125170051.0