@inproceedings{ijcai1977p86,
  title     = {Understanding and Improving LISP Programs},
  author    = {Wertz, Harald},
  booktitle = {Proceedings of the Fifth International Joint Conference on
               Artificial Intelligence, {IJCAI-77}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Raj Reddy},
  pages     = {377---1},
  year      = {1977},
  note      = {Aids to Programming},
  url       = {https://ijcai.org/proceedings/1977/86},
}