@book{JahnkeWuttkeBieligSchulzetal.2001,
  author    = {Thomas Jahnke and Hans Wuttke and Gisela Bielig-Schulz and Volker Dietzsch and Ilse Wuttke and Gabriele Lapport},
  title     = {Mathematik : Kl. 11, Gymnasiale Oberstufe, [Sch{\"u}lerbd.]},
  isbn      = {3-464-57210-2},
  year      = {2001},
}