Herman Bierens is on CollEc

rank value
closeness 10740 5.04902
betweenness 4354 2.41976

co-authors

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