David Ryan is on CollEc

rank value
closeness 17848 5.27646
betweenness 9213 1.07321

co-authors

  1. Andre Plourde [ppl27]
  2. Denise Young [pyo60]
  3. Lester Hunt [phu173]
  4. Stuart Landon [pla293]
  5. Alan Woodland [pwo59]
  6. Douglas West [pwe178]
  7. John Livernois [pli306]