Keith Hartley is on CollEc

rank value
closeness 9924 4.93082
betweenness 3447 3.11389

co-authors

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