@inproceedings{ijcai2007p11,
  title     = {The Design of ESSENCE: A Constraint Language for Specifying Combinatorial Problems},
  author    = {Frisch, Alan M. and Grum, Matthew and Jefferson, Christopher and Hernández, Bernadette Martínez and Miguel, Ian},
  booktitle = {Proceedings of the Twentieth International Joint Conference on
               Artificial Intelligence, {IJCAI-07}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Ramon López de Mántaras},
  pages     = {80--86},
  year      = {2007},
  url       = {https://ijcai.org/proceedings/2007/11},
}