Ben Vollaard is on CollEc

rank value
closeness 10542 4.96865
betweenness 21452 0.207171

co-authors

  1. Robert Dur [pdu1]
  2. Jan van Ours [pva54]
  3. Martin Salm [psa462]
  4. Pierre Koning [pko122]
  5. Eric van Damme [pva299]