Herman Bierens is on CollEc

rank value
closeness 10281 4.97361
betweenness 3582 3.00035

co-authors

  1. joop hartog [pha558]
  2. Robert de jong [pde708]
  3. Donna Ginther [pgi410]
  4. Norman Swanson [psw10]
  5. Jose Carvalho [pca454]
  6. Luis Martins [pma1017]