- 1996 Paper 5 Question 12
- 1996 Paper 6 Question 12
- 1995 Paper 5 Question 12 = Paper 8 Question 14
- 1995 Paper 6 Question 12 = Paper 9 Question 14
- 1993 Paper 7 Question 10
- 1993 Paper 8 Question 10
- 1993 Paper 9 Question 10
See also
- Semantics of Programming Languages (2024–1997, 1994)