Keith Hartley is on CollEc

rank value
closeness 7958 4.951
betweenness 2714 3.61622

co-authors

  1. Todd Sandler [psa708]
  2. Stephen Martin [pma1400]
  3. Alan Maynard [pma2597]
  4. David Parker [ppa106]
  5. Derek Braddon [pbr211]
  6. Peter MacDonald [pma1614]
  7. Selami Sezgin [pse38]
  8. Peter Watt [pwa361]
  9. Paul Dowdall [pdo115]