David Schap is on CollEc

rank value
closeness 26996 5.57503
betweenness 21767 0.177227

co-authors

  1. Robert Baumann [pba236]
  2. James Dearden [pde315]
  3. W. Crain [pcr35]
  4. Andrew Young [pyo26]
  5. Victor Matheson [pma211]
  6. Jurgen Brauer [pbr219]