Alf Risa is on CollEc

rank value
closeness 31330 5.34438
betweenness 28683 0.0963494

co-authors

  1. Øivind Nilsen [pni23]
  2. Sjur Flåm [pfl18]
  3. Espen Bratberg [pbr41]
  4. Astrid Grasdal [pgr350]