@inproceedings{ijcai1973p60,
  title     = {The Symbolic Nature of Visual Imagery},
  author    = {Moran, Thomas P.},
  booktitle = {Proceedings of the Third International Joint Conference on
               Artificial Intelligence, {IJCAI-73}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Nils J. Nilsson},
  pages     = {472--477},
  year      = {1973},
  month     = {8},
  note      = {Psychology and A.I},
  url       = {https://ijcai.org/proceedings/1973/60},
}