- Development in Combined Survey and Design Methods for Cross Country Pipeline Work,
D.J. Gedge
Paper 22.1 from CCP: 4/5, ISBN 0-948749-03-2 (1987)
- Developments in Field Computing for Pipeline Work,
D.J. Gedge
Paper 24.1 from CCP: 2/3, ISBN 0-948749-00-8 (1985)
- The Application of Micro-Computers to Cross-Country Pipeline Work (1),
D.J. Gedge
Paper 8.2 from CCP: 1, ISBN 0-948749-99-7 (1983)