Herman Bierens is on CollEc

rank value
closeness 10389 5.04902
betweenness 4285 2.41626

co-authors

  1. joop hartog [pha558]
  2. Norman Swanson [psw10]
  3. Jose Carvalho [pca454]
  4. Robert de jong [pde708]
  5. Luis Martins [pma1017]