@inproceedings{Kasper89-classification,
  author	= {Kasper, Robert T.},
  year		= {1989},
  title		= {Unification and classification: an experiment in information-based parsing},
  booktitle	= {Proceedings of the International Workshop on Parsing Technologies},
  pages		= {1--7},
  note		= {28-31 August, 1989, Carnegie-Mellon University, Pittsburgh, Pennsylvania}
}