Charles Ballard is on CollEc

rank value
closeness 11095 5.20042
betweenness 8952 0.948026

co-authors

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