@inproceedings{evens-etal-1997-circsim,
    title = "{CIRCSIM}-Tutor: An Intelligent Tutoring System Using Natural Language Dialogue",
    author = "Evens, Martha W.  and
      Chang, Ru-Charn  and
      Lee, Yoon Hee  and
      Shim, Leem Seop  and
      Woo, Chong Woo  and
      Zbang, Yuemei",
    booktitle = "Fifth Conference on Applied Natural Language Processing: Descriptions of System Demonstrations and Videos",
    month = mar,
    year = "1997",
    address = "Washington, DC, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/A97-2007/",
    doi = "10.3115/974281.974289",
    pages = "13--14"
}