@inproceedings{Babel,
  author    = {Stefan M\"uller},
  title     = {The {Babel-System}---An {HPSG} Fragment for {German}, a Parser, and a Dialogue Component},
  Booktitle = {Proceedings of the Fourth International Conference on the Practical Application of Prolog},
  address   = {London},
  pages     = {263--277},
  note      = {\url{https://hpsg.hu-berlin.de/~stefan/Pub/babel.html}},
  year      = {1996}
}