@article{EirundSethmann2009,
  author    = {Helmut Eirund and Richard Sethmann},
  title     = {NetS-X : Netzsicherheit lernen mit Spaß},
  journal   = {Commentarii informaticae didacticae : (CID)},
  number    = {1},
  pages     = {81 -- 92},
  year      = {2009},
}