1. Evaluation of wind energy resources in the Rodopi-Evros area of Eastern Macedonia-Thrace region;Dermentzoglou,1996
2. Feasibility study for the development of an unconventional generation system for water desalination;Kabouris,1994
3. Production costing and economic analysis of power systems containing wind energy conversion systems;Tripathy;Energy Conversion & Management,1998
4. Modern cost–benefit methods;Irvin,1978
5. Small and mini hydropower systems;Fritz,1984