1. EC. European Commission, The support of electricity from renewable energy sources accompanying document to the proposal for a directive of the European Parliament and of the Council on the promotion of the use of energy from renewable sources. {COM(2008) 19}. SEC(2008) 57, Brussels, 2008.
2. Economic analysis of different supporting policies for the production of electrical energy by solar photovoltaics in eastern European Union countries;Dusonchet;Energy Policy,2010
3. Renewable electricity in Europe;Jäger-Waldau;Renewable and Sustainable Energy Reviews,2011
4. Policy, financing and implementation;Mitchell,2011