@InProceedings{ja:1991:ACL,
  author    = {Frank A. Srnad ja},
  title     = {FROM N-GRAMS TO COLLOCATIONS AN EVALUATION OF XTRACT},
  booktitle = {Proceedings of the 29th Annual Meeting of the Association for Computational Linguistics},
  month     = {June},
  year      = {1991},
  address   = {Berkeley, California, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {279--284},
  url       = {http://www.aclweb.org/anthology/P91-1036},
  doi       = {10.3115/981344.981380}
}