@book{Hugelshofer1999o,
  author    = {Michael Anderes and Henk Goorhuis and Ruedi Niederer},
  editor    = {Ren{\'e} Hugelshofer},
  title     = {{Informatik. Anwendungen -- Algorithmen -- Computer --
              Gesellschaft}},
  year      = 1999,
  publisher = {Sauerl{\"a}nder},
  address   = {Aarau, Frankfurt~a.~M., Salzburg},
  edition   = {5.~{A}ufl.},
  series    = {Bildung},
  isbn      = {3-7941-4614-X},
}