@InProceedings{evens-EtAl:1997:ANLPDV,
  author    = {Martha W. Evens  and  Ru-Charn Chang  and  Yoon Hee Lee  and  Leem Seop Shim  and  Chong Woo Woo  and  Yuemei Zbang},
  title     = {CIRCSIM-Tutor: An Intelligent Tutoring System Using Natural Language Dialogue},
  booktitle = {Proceedings of the Fifth Conference on Applied Natural Language Processing: Descriptions of System Demonstrations and Videos},
  month     = {March},
  year      = {1997},
  address   = {Washington, DC, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {13--14},
  url       = {http://www.aclweb.org/anthology/A97-2007},
  doi       = {10.3115/974281.974289}
}