Bart van Ark is on CollEc

rank value
closeness 4777 4.77388
betweenness 7683 1.35662

co-authors

  1. Jakob de Haan [pde190]
  2. Dirk Pilat [ppi98]
  3. Sean Dougherty [pdo17]
  4. Nienke Beintema [pbe458]
  5. Angus Maddison [pma942]
  6. Nanno Mulder [pmu31]