@inproceedings{ijcai1969p3,
  title     = {Search for a Solution: A Case Study},
  author    = {Balzer, Robert},
  booktitle = {Proceedings of the First International Joint Conference on
               Artificial Intelligence, {IJCAI-69}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Donald E. Walker and David C. Cooper},
  pages     = {21--32},
  year      = {1969},
  month     = {5},
  note      = {Man-machine Symbiosis in Problem Solving},
  url       = {https://ijcai.org/proceedings/1969/3},
}