1. Comput. Bull., Series 2, (8), 31 (1976).
2. ‘Teaching Pascal to large student groups’, IUCC Conference on teaching Pascal and Algol 68, Norwich (1978).
3. and , Pascal User Manual and Report, Springer-Verlag, New York, 1975.
4. Cobol 80, MICROSOFT software commercially available from Lifeboat Associates, 32 Neal Street, London WC2M 9PS, for example.