William Siebert is on CollEc

rank value
closeness 4562 4.79245
betweenness 5942 1.75151

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. peter sloane [psl14]
  9. Robert Sandy [psa153]
  10. Tarja Viitanen [pvi68]
  11. Joachim Wagner [pwa157]