BibTeX

@article{bouma/koenig/uszkoreit:1988,
  author = {Bouma, Gosse and {K{ö}nig}, Esther and Uszkoreit, Hans},
  title = {A Flexible Graph-Unification Formalism and its Application to Natural
	Language Processing},
  journal = { IBM Journal Research and Development},
  year = {1988},
  note = {Special Issue on Computational Linguistics},
  keywords = {unification-based grammar formalism, LILOG}
}