1. Historical patterns of residential and commercial energy uses;Hirst;Energy,1977
2. Annual US energy use up in 1976;US Bureau of Mines,1977
3. See also C. Readling, personal communication, US Department of Energy, 26 June 1978.
4. The ORNL Engineering Economic Model of Residential Energy Use;Hirst,1978
5. The Commercial Demand for Energy: A Disaggregated Approach;Jackson,1978