David Levinson is on CollEc

rank value
closeness 23355 5.50938
betweenness 13383 0.583916

co-authors

  1. Nebiyou Tilahun [pti148]
  2. lei zhang [pzh254]
  3. Patricia Melo [pme608]
  4. John Stanley [pst693]
  5. Erik Jenelius [pje98]
  6. Daniel Graham [pgr597]