John Hamman is on CollEc

rank value
closeness 20835 5.04057
betweenness 25438 0.176782

co-authors

  1. Roberto Weber [pwe237]
  2. Danila Serra [pse222]
  3. Mikhail Drugov [pdr49]
  4. Jose Castillo [pca1226]
  5. John Lightle [pli1025]