@inproceedings{ijcai1989p110,
  title     = {Acquiring Recursive Concepts with Explanation-Based Learning},
  author    = {Shavlik, Jude W.},
  booktitle = {Proceedings of the Eleventh International Joint Conference on
               Artificial Intelligence, {IJCAI-89}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {N. S. Sridharan},
  pages     = {688--692},
  year      = {1989},
  month     = {8},
  note      = {Machine Learning},
  url       = {https://ijcai.org/proceedings/1989/110},
}