@inproceedings{ijcai1977p102,
  title     = {A General Backtrack Algorithm That Eliminates Most Redundant Tests},
  author    = {Gaschnig, John},
  booktitle = {Proceedings of the Fifth International Joint Conference on
               Artificial Intelligence, {IJCAI-77}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Raj Reddy},
  pages     = {457---1},
  year      = {1977},
  note      = {Problem-solving and Search},
  url       = {https://ijcai.org/proceedings/1977/102},
}