Alf Risa is on CollEc

rank value
closeness 25637 5.55464
betweenness 24201 0.0912273

co-authors

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