00327nam a2200145Ia 4500003000500000008004100005020001800046040001900064082000700083100002500090245002100115260002500136300000800161546001200169STCL181203s9999    xx            000 0 und d  a9789332550131  aSTCLbENcSTCL  222  aValkenburg, M.E. Van 0aNetwork Analysis  bPearsonaNoidac2017  a571  aEnglish