Peter Hartley is on CollEc

rank value
closeness 12781 4.82959
betweenness 13947 0.767919

co-authors

  1. Carl Walsh [pwa23]
  2. Dagobert Brito [pbr628]
  3. Robin Sickles [psi296]
  4. Albert Kyle [pky6]
  5. Rodney Tyers [pty4]
  6. Philip Adams [pad39]