1. The European Renewable Energy Study up to 2010;Commission of European Communities, DG XVII,1994
2. Photovoltaic Technologies and their Future Potential;Commission of European Communities, DG XVII;A Thermie Programme Action,1994
3. Renewable and Thermal Energy Plants. Comparison on the Basis of Environmental-Social Costs & Benefits;Kaldellis,1997
4. Design Guidelines and Operational Behaviour of a Stand-alone PV System;Kaldellis,1998
5. Autonomous Energy Systems for Remote Islands based on Renewable Energy Sources;Kaldellis,1999