Alf Risa is on CollEc

rank value
closeness 26254 5.52929
betweenness 24012 0.10892

co-authors

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