@inproceedings{Becker-etal92,
  author	= {Becker, R. and Kuepper, D. and Strobel, M. and R{\"o}sner, D.},
  editor	= {Aiken, R.},
  year		= {1992},
  title		= {A cooperative natural language environmental information system},
  booktitle	= {Information Processing 92 -- Proceedings of the IFIP 12th World Congress},
  volume	= {2},
  pages		= {655--665},
  publisher	= {Elsevier},
  address	= {North-Holland}
}