donald hay is on CollEc

rank value
closeness 16616 5.22922
betweenness 19577 0.259286

co-authors

  1. Helen Louri [plo273]
  2. Howard Smith [psm46]
  3. John Vickers [pvi114]
  4. Jenny Corbett [pco562]
  5. Gordon Menzies [pme97]