@book{OPUS4-14776,
  title     = {Mathematik : Lehrbuch f{\"u}r die Klasse 9 ; Brandenburg ; Gymnasium},
  editor    = {Br{\"u}ckner, Axel},
  publisher = {Paetec},
  address   = {Berlin},
  isbn      = {3-89818-138-3},
  pages     = {240 S.},
  year      = {2004},
  language  = {de}
}