@book{JahnkeWuttkeBieligSchulzetal.2001,
  author    = {Jahnke, Thomas and Wuttke, Hans and Bielig-Schulz, Gisela and Dietzsch, Volker and Wuttke, Ilse and Lapport, Gabriele},
  title     = {Mathematik : Kl. 11, Gymnasiale Oberstufe, [Sch{\"u}lerbd.]},
  publisher = {Cornelsen},
  address   = {Berlin},
  isbn      = {3-464-57210-2},
  pages     = {296 S.},
  year      = {2001},
  language  = {de}
}
@book{JankeWuttkeBieligSchulzetal.2002,
  author    = {Janke, Thomas and Wuttke, Hans and Bielig-Schulz, Gisela and Dietsch, Volker and Dreiseidler, Alexandra and Jahnke, Thomas and Lapport, Gabriele and Siekmann, Angelika and Simanowsky, Ursula and Wuttke, Ilse},
  title     = {Mathematik : Analysis ; Gymnasiale Oberstufe, [Sch{\"u}lerbuch]},
  editor    = {Janke, Thomas and Wuttke, Hans},
  publisher = {Cornelsen},
  address   = {Berlin},
  isbn      = {3-464-57216-1},
  pages     = {471 S.},
  year      = {2002},
  language  = {de}
}