Herman Bierens is on CollEc

rank value
closeness 10029 5.05327
betweenness 4259 2.41614

co-authors

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