@inproceedings{ijcai2003p138,
  title     = {In Defense of PDDL Axioms},
  author    = {Thiébaux, Sylvie and Hoffmann, Jörg and Nebel, Bernhard},
  booktitle = {Proceedings of the Eighteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-03}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Georg Gottlob},
  pages     = {961--967},
  year      = {2003},
  url       = {https://ijcai.org/proceedings/2003/138},
}