@incollection{HeidMomma87,
  author	= {Heid, U. and Momma, S.},
  editor	= {Morik, k.},
  year		= {1987},
  title		= {FREGE: ein objektorientierter Front-End-Generator},
  booktitle	= {GWAI-87: 11th German Workshop on Artificial Intelligence},
  publisher	= {Springer},
  address	= {Berlin},
}