1. Energy Conservation Research, Development and Demonstration,1978
2. The Iron and Steel Industry,1984
3. Energy Use and Energy Efficiency in UK Manufacturing Industry up to the Year 2000,1984
4. K. F. Langley, Industrial energy efficiency in the UK up to the year 2000, ETSU L-15, available from the Information Office, ETSU, Harwell, Oxfordshire.
5. Annual Statistics, 1981,1982