@inproceedings{ijcai1977p188,
  title     = {The FLOW Tutor: A Schema-Based Tutorial System},
  author    = {Gentner, Donald R.},
  booktitle = {Proceedings of the Fifth International Joint Conference on
               Artificial Intelligence, {IJCAI-77}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Raj Reddy},
  pages     = {787---1},
  year      = {1977},
  note      = {Specialized Systems},
  url       = {https://ijcai.org/proceedings/1977/188},
}