00288nam a2200133Ia 45000030006000000080041000060400015000471000023000622450021000852500010001062600009001165460012001250050017001370STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aValkenburg, M.E.V.  aNetwork analysis  aThird  c1974  aEnglish20220125160201.0