1. See unpublished work recently done by economists Warford, Saunders and Pearce of the World Bank, Washington, DC, April 1987.
2. Advisory Council on Energy Conservation, Number 5,1983
3. Investment in Energy Use as an Alternative to Investment in Energy Supply, DEN/S/3,1983
4. Conservation's contribution to UK self-sufficiency;Hillman,1984
5. The Economics of Energy;Webb,1986