9World Energy Council. Energy Efficiency: A Worldwide Review Indicators, Policies, Evaluation. World Energy Council and French Environment and Energy Management Agency, 2004.
10Gaggioli R. A., Sama D. A., et al. Integration of a new process into an existing site: a case studying in the application of exergy analysis. Transaction of the ASME. Journal of Engineering for Gas Turbines and Power, 1991, 113: 170-183.