@inproceedings{ijcai1969p18,
  title     = {Character Recognition Using a Log-Autocorrelation Function},
  author    = {Beurle, R. L. and Crawford, A. J. and Guy, R. B.},
  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     = {183--184},
  year      = {1969},
  month     = {5},
  note      = {Pictorial Pattern Recognition},
  url       = {https://ijcai.org/proceedings/1969/18},
}