@inproceedings{ijcai1971p47,
  title     = {Experiments with a Natural Language Problem-Solving System},
  author    = {Gelb, Jack P.},
  booktitle = {Proceedings of the Second International Joint Conference on
               Artificial Intelligence, {IJCAI-71}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {D.C. Cooper},
  pages     = {455--461},
  year      = {1971},
  url       = {https://ijcai.org/proceedings/1971/47},
}