1. R.MAUS and J.KEYES (1991), Handbook of Expert Systems in Manufacturing, McGraw-Hill.
2. S.DALE, P. du FEU and H.TINSLEY (1991), Manufacturing Intelligence, A Decision Maker’s Briefing, DTI.
3. K.OLDHAM, R.P.MAIN, J.M.COOPER and N.F.DOHERTY (1991), DIPLOMA-The Seal of Approval, In G. Rzevski and R.A. Adey, Applications of Artificial Intelligence in Engineering VI, Elsevier, 701–722.
4. K.OLDHAM, R.M.HATHER, J.HALTON and A.K.KOCHHAR (1993), Practical Development of Knowledge-Based Systems in Engineering, to be presented at the 30th International Matador Conference, UMIST.
5. P.G. VIOLARIS (Autumn 1992), The Appraisal of Expert Systems Projects from Business, Technical and Organisational Perspectives, Manufacturing Intelligence, 12, 4–7.