1. DeVault, R. C., 1988, “DOE Absorption Programs Overview,” Proc., 2nd DOE/ORNL Heat Pump Conference, pp. 104–109.
2. Statt, T. G., 1988, “Advanced Refrigeration Systems Program Overview,” Proc., 2nd DOE/ORNL Heat Pump Conference, pp. 3–6.
3. Columbia Gas Distribution Companies, 1993, “Double-Effect Absorption Gas Heat Pump—Residential and Commercial Prospectus,” Research Department, 1600 Dublin Rd., P.O. Box 2318, Columbus, OH, 43216.
4. D’zurko, D. C., and Epstein, G. J., 1996, “Comparative Analysis for Natural Gas Cooling and Space Conditioning Technologies in New York State,” ASHRAE Trans., 102, No. 1, pp. 275–283.
5. Phillips, B. A., 1990, “Development of a High-Efficiency, Gas Fired, Absorption Heat Pump for Residential and Small Commercial Applications: Phase I Final Report: Analysis of Advanced Cycles and Selection of the Preferred Cycle,” Final Report on Oak Ridge National Laboratory Subcontract 86X-24610C.