1. Bejan, A., Moran, M. and Tsatsaronis, G., Thermal Design and Optimization. John Wiley and Sons, New York, 1996.
2. Szargut, J., Morris, D. R. and Steward, F. R., Exergy Analysis of Thermal, Chemical, and Metallurgical Processes. Hemisphere Publishing Corporation, New York, 1988.
3. Allen, E. L. et al., US energy and economic growth, 1975–2010. Publication no. ORAU/IEA-76-7. Oak Ridge Associated Universities, Institute for Energy Analysis, Oak Ridge, TN, 1976.
4. Allen, E. L., Energy and Economic Growth in the United States. MIT Press, Cambridge, MA, 1979.
5. The Role of Energy in Productivity Growth