1. U.S. Congress, National Energy Conservation Policy Act, Public Law 95–619, November 9 (1978).
2. U.S. Department of Energy, Residential Conservation Service Program, Final Rule, Federal Register, 47, June 25 (1982).
3. Evaluation of home energy audit and retrofit loan programs in Minnesota: the northern states power experience;Hirst,1983
4. J.P. Harris et al., Buildings energy data, Energy Efficiency Buildings Program, FY 1982 Annual Report, Lawrence Berkeley Laboratory, LBL-15297, March.