1. N. Asher and L. Vieu. Toward a Geometry of Common Sense: A Semantics and a Complete Axiomatization of Mereotopology. In Proceedings the International Conference on Artificial Intelligence, Montreal, Canada, 1995.
2. H. Blum. Biological Shape and Visual Science. Jnl. of Theoretical Biology, 38:205–287, 1973.
3. N. Carriero and D. Gelernter. How to Write Parallel Programs. MIT Press, Cambridge, 1990.
4. D.E. Catlin. Estimation, Control, and the Discrete Kalman Filter. Springer Verlag, New York, 1989.
5. S. Collin and D. Colnet. Syntactic Analysis of Technical Drawing Dimensions. International Journal of Pattern Recognition and Artificial Intelligence, 8(5):1131–1148, 1994.