1. Addis T. R., Townsend-Addis J. J., Billinge D., Gooding, D. C. and Vissher, B. (2008) ‘The Abductive Loop: Tracking Irrational Sets’,Special issue on Tracking Irrational Sets, Science, Technology, Ethics, Volume 13, No. 1, March, ISSN 1233-1821, edited by Lorenzo Magnani.
2. Billinge D. and Addis T. (2003) ‘The Functioning of Tropic Communication: A Mechanism for Consistent Figurative Descriptions of Artistic Effect’,AISB’03 Symposium on AI and Creativity in Arts and Science, University of Wales at Aberystwyth.
3. Gegov A. (2007) ‘Complex Management in Fuzzy Systems: A Rule Base Compression Approach’, Springer, New York, ISBN-10 3-540-38883-4.
4. Kleene, S. C. (1967). ‘Journal of Mathematical Logic’, Wily, New York.
5. Lakoff G. (1986) ‘Women, Fire, and Dangerous Things’,University of Chicago Press, Chicago, IL.