- Knowledge-Based System: Advisor on the Selection of Earth Retaining Structures,
J. Oliphant and D.I. Blockley
Paper 9.2 from CCP: 11, ISBN 0-948749-13-X (1989)
- Logical Interference from Uncertain Knowledge in Civil Engineering,
D.I. Blockley
Paper 21.3 from CCP: 2/3, ISBN 0-948749-00-8 (1985)