1. The exergy method of energy systems analysis;Ahern,1980
2. Ahmad, A., Abdelrahman, M.A., Billote, W.C., 1994. Analysis of electric energy conservation in a commercial building in Saudi Arabia. Proceedings of the Second Saudi Symposium on Energy Utilization and Conservation, November 27–30, Dhahran, Saudi Arabia.
3. Reference states;Ahrendts;Energy—The International Journal,1980
4. Exergy, waste accounting, and life-cycle analysis;Ayres;Energy,1998
5. Energie und Exergie;Baehr,1965