1. J. Allen. Maintaining knowledge about temporal intervals. Communications of the ACM, Volume 26, 832–843, 1983.
2. J. Allen, P. HayesA common sense theory of time. A. Joshi (editor), IJCAI-85, Proceedings of the 9th International Joint Conference on Artificial Intelligence, Volume 1, 528–531, Morgan Kaufmann 1985.
3. P. Balbiani, J.-F. Condotta, L. Fariñas del Cerro.A model for reasoning about bidimensional temporal relations. A. Cohn, L. Schubert (editors), KR'98. To appear.
4. C. Bessière, A. Isli, G. Ligozat.Global consistency in interval algebra networks: tractable subclasses. W. Wahlster (editor), ECAI-96. Proceedings of the 12th European Conference on Artificial Intelligence, 3–7, Wiley, 1996.
5. P. Ladkin. Time representation: a taxonomy of interval relations. AAAI-86. Proceedings of the Fifth National Conference on Artificial Intelligence, Volume 1, 360–366, 1986