Jan Lemmen is on CollEc

rank value
closeness 7770 4.919
betweenness 24778 0.0786672

co-authors

  1. Ivo Arnold [par144]
  2. Harry Huizinga [phu113]
  3. Bas van Aarle [pva856]
  4. Ruud de Mooij [pmo473]
  5. marcel canoy [pca714]