U. Desideri, and G. Bidini. Energy Conversion and Management, 38 (15-17):
1681 - 1691(1997)Efficiency, Cost, Optimization, Simulation and Environmental Aspects of Energy Systems.
A. Vidal, R. Best, R. Rivero, and J. Cervantes. Energy, 31 (15):
3401 - 3414(2006)ECOS 2004 - 17th International Conference on Efficiency, Costs, Optimization, Simulation, and Environmental Impact of Energy on Process Systems.