William Siebert is on CollEc

rank value
closeness 7125 4.64544
betweenness 7003 1.82879

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. Marco Ercolani [per38]
  10. Ceren Ozgen [poz114]
  11. Robert Sandy [psa153]
  12. Tarja Viitanen [pvi68]
  13. Joachim Wagner [pwa157]