1. Popper, K. The Logic of Scientific Discovery (Hutchinson, London, 1972)
2. Sloman, A. The Computer Revolution in Philosophy (Harvester, Hassocks, Sussex, 1978); available online from 〈 http://www.cs.bham.ac.uk/research/cogaff/crp/ 〉
3. Buchanan, B. G., Sutherland, G. L. & Feigenbaum, E. A. in Machine Intelligence Vol. 4 (eds Meltzer, B. & Michie, D.) 209–254 (Edinburgh Univ. Press, 1969)
4. Langley, P., Simon, H. A., Bradshaw, G. L. & Zytkow, J. M. Scientific Discovery: Computational Explorations of the Creative Process (MIT Press, Cambridge, Massachusetts, 1987)
5. Z̈ytkow, J. M., Zhu, J. & Hussam, A. Automated discovery in a chemistry laboratory. in Proceedings of the 8th National Conference on Artificial Intelligence (AAAI-1990) (eds Dietterich, T. & Swartout, W.) 889–894 (MIT, Cambridge, Massachusetts, 1990)