@inproceedings{ijcai1977p234,
  title     = {Putting Theories Together to Make Specifications},
  author    = {Burstall, Rod M. and Goguen, Joseph A.},
  booktitle = {Proceedings of the Fifth International Joint Conference on
               Artificial Intelligence, {IJCAI-77}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Raj Reddy},
  pages     = {1045--1057},
  year      = {1977},
  note      = {Invited Panel},
  url       = {https://ijcai.org/proceedings/1977/234},
}