David Greenberg is on CollEc

rank value
closeness 20624 5.29957
betweenness 13206 0.664715

co-authors

  1. Philip Robins [pro189]
  2. Gary Burtless [pbu95]
  3. Aidan Vining [pvi5]
  4. David Weimer [pwe176]
  5. Mark Shroder [psh166]
  6. Robert Moffitt [pmo48]