@inproceedings{derr-schwartz-1989-simple,
    title = "A Simple Statistical Class Grammar for Measuring Speech Recognition Performance",
    author = "Derr, Alan  and
      Schwartz, Richard",
    booktitle = "Speech and Natural Language: Proceedings of a Workshop Held at Cape Cod, Massachusetts, October 15-18, 1989",
    year = "1989",
    url = "https://preview.aclanthology.org/fix-sig-urls/H89-2020/"
}