Charles Ballard is on CollEc

rank value
closeness 13440 5.10569
betweenness 11664 0.796615

co-authors

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