Charles Ballard is on CollEc

rank value
closeness 9693 5.24745
betweenness 7550 1.08361

co-authors

  1. John Whalley [pwh8]
  2. Don Fullerton [pfu10]
  3. John Scholz [psc309]
  4. John Goddeeris [pgo654]
  5. Steven Medema [pme628]