@phdthesis{Boerner2000,
  author    = {B{\"o}rner, Ferdinand},
  title     = {Krasneralgebren},
  publisher = {Logos},
  address   = {Berlin},
  pages     = {194 S.},
  year      = {2000},
  language  = {de}
}
@book{BoernerGoessel2000,
  author    = {B{\"o}rner, Ferdinand and G{\"o}ssel, Michael},
  title     = {Grundlagen digitaler Systeme},
  publisher = {Univ.-Bibliothek Publ.-Stelle},
  address   = {Potsdam},
  isbn      = {3-9806494-9-0},
  pages     = {61 S.},
  year      = {2000},
  language  = {de}
}