1. Wind power, 2010 European statistics;European Wind Energy Association (EWEA),2011
2. Energy technologies, knowledge – perception – measures;European Commission,2006
3. Wind energy statistics;Greek Scientific Association of Wind Energy,2012
4. Wind energy. The facts, part V: environmental issues;International Energy Agency (IEA),2009
5. National public opinion survey on climate change and energy;WWF Hellas,2010