1. Allen, J.: Maintaining knowledge about temporal intervals. Communications of the Association for Computing Machinery 26 (1983) 832–843.
2. Balbiani, P., Condotta, J.-F.: Spatial reasoning about points in a multidimensional setting. Applied Intelligence, to appear.
3. Balbiani, P., Condotta, J.-F., Fariñas del Cerro, L.: A model for reasoning about bidimensional temporal relations. In Cohn, A., Schubert, L., Shapiro, S. (Eds.): Proceedings of the Sixth International Conference on Principles of Knowledge Representation and Reasoning. Morgan Kaufmann (1998) 124–130.
4. Balbiani, P., Osmani, O.: A model for reasoning about topologic relations between cyclic intervals. In Cohn, A., Giunchiglia, F., Selman, B. (Eds.): Proceedings of the Seventh International Conference on Principles of Knowledge Representation and Reasoning. Morgan Kaufmann (2000) 378–385.
5. Bennett, B.: Determining consistency of topological relations. Constraints 3 (1998)213–225.