@inproceedings{Matiasek94,
  author	= {Matiasek, Johannes},
  editor	= {Trost, Harald},
  year		= {1994},
  title		= {Conditional Constraints in a CLP-Based HPSG Implementation},
  booktitle	= {KONVENS '94},
  pages		= {230--239},
  address	= {Vienna}
}