Notes:
Reprinted in International Institute for Applied Systems Analysis, Proceedings of IIASA Working Seminar on Energy Modeling, Laxenburg, IIASA, 1974, pp. 174-278, and in C. J. Ciccheti and W. K. Foell (eds.), Energy Systems Forecasting, Planning, and Pricing , Madison, Institute for Environmental Studies, University of Wisconsin, 1975, pp. 127-159.