Ron Zimmer is on CollEc

rank value
closeness 23108 5.35823
betweenness 19724 0.300544

co-authors

  1. Tim Sass [psa141]
  2. Dennis Epple [pep21]
  3. Richard Buddin [pbu136]
  4. Eugenia Toma [pto390]
  5. Kai Hong [pho452]
  6. Gema Zamarro [pza117]
  7. Richard Romano [pro223]
  8. J. Butler [pbu453]