Dennis Petrie is on CollEc

rank value
closeness 7172 4.94029
betweenness 5013 2.04576

co-authors

  1. Paul Allanson [pal291]
  2. Kam Ki Tang [pta79]
  3. Ulf-G. Gerdtham [pge201]
  4. Fu-Min Tseng [pts95]
  5. Yu-Fu Chen [pch101]
  6. Kevin Staub [pst600]
  7. Rachel Knott [pkn72]
  8. Tom Van Ourti [pva255]