George Leeuwen is on CollEc

rank value
closeness 5599 4.77174
betweenness 9349 1.10863

co-authors

  1. Michael Polder [ppo252]
  2. Henk Kox [pko79]
  3. Henry Wiel [pwi255]
  4. Peter Broer [pbr85]
  5. Eric Bartelsman [pba253]
  6. Kees Zeelenberg [pze142]
  7. Roy Thurik [pth26]
  8. Albert Menkveld [pme346]