Erik Sandewall:
Cellular Ontology as a Basis for Spatiotemporal Reasoning.
Invited paper. C. Bettini and A. Montanari (ed): Proceedings of the Eighth International Symposium on Temporal Representation and Reasoning (TIME-01), pp. 3-4. IEEE Computer Society Press, 2001.

Erik Sandewall:
On the Design of Software Individuals.
Accepted for the forthcoming proceedings of the Machine Intelligence 18 Workshop. S. Muggleton et als (eds).