J. F. Allen and P. J. Hayes, A commonsense theory of time, Proceedings of the Ninth International Joint Conference on Artificial Intelligence (IJCAI'85), pp.528-531, 1985.

]. J. All81 and . Allen, An interval-based representation of temporal knowledge, Proceedings of the Seventh Int. Joint Conf. on Artificial Intelligence (IJCAI'81), pp.221-226, 1981.

P. Balbiani and J. Condotta, Spatial reasoning about points in a multidimensional setting, Applied Intelligence, vol.17, issue.3, pp.221-238, 2002.
DOI : 10.1023/A:1020079114666

[. Balbiani, J. Condotta, L. Fariñas, and D. Cerro, A new tractable subclass of the rectangle algebra, Proceedings of the Sixteenth International Joint Conference on Artificial Intelligence (IJCAI'99), pp.442-447, 1999.

[. Balbiani, J. Condotta, L. Farinas, and D. Cerro, Tractability Results in the Block Algebra, Journal of Logic and Computation, vol.12, issue.5, 2002.
DOI : 10.1093/logcom/12.5.885

[. Balbiani, J. Condotta, and G. Ligozat, Reasoning about Cyclic Space: Axiomatic and Computational Aspects, Proceedings of Spatial CognitionTutzing) Munich, 2002.
DOI : 10.1007/3-540-45004-1_20

P. Balbiani and A. Osmani, A model for reasoning about topologic relations between cyclic intervals, Proc. of KR-2000, 2000.

A. Isli and A. G. Cohn, A new approach to cyclic ordering of 2D orientations using ternary relation algebras, Lig98a] Gérard Ligozat. Corner relations in Allen's algebra, pp.137-187165, 1987.
DOI : 10.1016/S0004-3702(00)00044-8

[. Ligozat, Reasoning about Cardinal Directions, Journal of Visual Languages & Computing, vol.9, issue.1, pp.23-44, 1998.
DOI : 10.1006/jvlc.1997.9999