@inproceedings{ijcai2013p15,
  title     = {Reasoning about Normative Update},
  author    = {Alechina, Natasha and Dastani, Mehdi and Logan, Brian},
  booktitle = {Proceedings of the Twenty-Third International Joint Conference on
               Artificial Intelligence, {IJCAI-13}},
  publisher = {AAAI Press / International Joint Conferences on Artificial Intelligence},
  editor    = {Francesca Rossi},
  pages     = {20--25},
  year      = {2013},
  month     = {8},
  url       = {https://ijcai.org/proceedings/2013/15},
}