00291nam a2200133Ia 45000030006000000080041000060400015000471000025000622450022000872500010001092600009001195460012001280050017001400STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aVan Valkenburg, M.E.  aNetworks analysis  aThird  c1990  aEnglish20220125170154.0