1. Gillett, R. & Addis T. R., ‘Intelligent Software: How it can be used to improve safety and training methods’. GASTECH2000, The 19th International LNG, LPG & Natural Gas Conference & Exhibition, George R. Brown Convention Center, 14–17 November, Houston, Texas, USA. pp 10, (2000)
2. Addis T.R., ‘Designing Knowledge Based Systems’. published Kogan Page. ISBN 0 85038 859 7, ISBN 1 85091 251 3, 1985; Prentice Hall, ISBN 0-13-201823-3; 1986; 2nd Edition Ab-Libris Ltd,. ISBN: 190356118 3 2003
3. Shaw L. G & Woodward J. B ‘Modeling Expert Knowledge’, Knowledge Acquisition, vol. 2, pp. 179–206, (1990)
4. Addis T. R. and Townsend Addis J. J ‘Avoiding Knotty Structures in Design: Schematic Functional Programming’, Journal of Visual Languages and Computing, Vol. 12. pp689–715. (2001)
5. Addis T. R. and Townsend Addis J. J. ‘An Introduction to Clarity: A Schematic Functional Language for Managing the Design of Complex Systems’. Vol. 56, No4, April, International Journal of Human Computer Studies, ISSN 1071 5819, pp331–422, (2002)