William Siebert is on CollEc

rank value
closeness 5332 4.81491
betweenness 6701 1.57975

co-authors

  1. John Addison [pad14]
  2. John Heywood [phe163]
  3. xiangdong wei [pwe224]
  4. Fei Peng [ppe229]
  5. Nick Zubanov [pzu30]
  6. ralph bailey [pba209]
  7. Yasheng Maimaiti [pma1267]
  8. Robert Sandy [psa153]
  9. Tarja Viitanen [pvi68]
  10. Joachim Wagner [pwa157]