David Ryan is on CollEc

rank value
closeness 17477 5.27952
betweenness 9081 1.09033

co-authors

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