@book{Monch.,
  author = {Mönch, Alexander},
  edition = {4. Aufl.},
  interhash = {ccf71003d676e5346df786347d3133e6},
  intrahash = {5c304e6db31abd3ab2d27fc549df9593},
  title = {Internet:  Studentenmail in Köln},
  year = {-}
}