Ulrich Zierahn is on CollEc

rank value
closeness 14802 5.11335
betweenness 19677 0.290079

co-authors

  1. Terry Gregory [pgr370]
  2. Jan Hogrefe [pho420]
  3. Holger Bonin [pbo109]
  4. Sven Schulze [psc475]
  5. Daniel Arnold [par423]
  6. Bethlehem Argaw [par288]
  7. Ulf Rinne [pri117]