John Hamman is on CollEc

rank value
closeness 23731 5.1224
betweenness 26843 0.13695

co-authors

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