@unpublished{HinrichsKueblerMuelleretal.2002,
  author  = {Erhard Hinrichs and Sandra K{\"u}bler and Frank H. M{\"u}ller and Tylman Ule},
  title   = {A hybrid architecture for robust parsing of german},
  institution = {Extern},
  pages     = {8},
  year    = {2002},
}