Keetie Roelen is on CollEc

rank value
closeness 27427 5.56302
betweenness 12067 0.761992

co-authors

  1. Geranda Notten [pno90]
  2. Vincenzo Vinci [pvi452]
  3. Martin Greeley [pgr679]
  4. Jose Cuesta [pcu85]
  5. Bruno Martorano [pma2054]