@Article{Natural_language_interactions_with_artificial_experts,
  author = "Tim  Finin and Aravind K. Joshi and Bonnie  Webber",
  title = "{Natural language interactions with artificial experts}",
  month = "July",
  year = "1986",
  pages = "921-938",
  number = "7",
  volume = "74",
  journal = "Proceedings of the IEEE",
}