William Siebert is on CollEc

rank value
closeness 5295 4.76588
betweenness 6293 1.74712

co-authors

  1. John Addison [pad14]
  2. John Heywood [phe163]
  3. xiangdong wei [pwe224]
  4. Fei Peng [ppe229]
  5. ralph bailey [pba209]
  6. Nick Zubanov [pzu30]
  7. Yasheng Maimaiti [pma1267]
  8. Marco Ercolani [per38]
  9. Robert Sandy [psa153]
  10. Johan Graafland [pgr281]
  11. Joachim Wagner [pwa157]
  12. Tarja Viitanen [pvi68]