R. Cole, und P. Eklund. Supplementary Proceedings of International Conference on Conceptual Structures, ICCS '96, Seite 1-12. University of New South Wales, (1996)
R. Cole, P. Eklund, und B. Groh. International Symposium on Knowledge Retrieval, Use, and Storage for Efficiency, KRUSE-97, Seite 151-164. (1997)Later revised and published completely in Cole's Computational Intelligence paper.