1. Eurostat. Statistics database, Available from: http://epp.eurostat.ec.europa.eu/portal/page/portal/statistics/search-database. [accessed 26.05.10].
2. Growth and renewable energy in Europe: a random effect model with evidence for neutrality hypothesis;Menegaki;Energy Economics,2010
3. Directive 2001/77/ec of the European parliament and of the council of 27 September 2001 on the promotion of electricity produced from renewable energy sources in the internal electricity market;Official Journal of the European Communities 2001,27102001
4. Implications of technological learning on the prospects for renewable energy technologies in Europe;Uyterlinde;Energy Policy,2007
5. Review of compliance with EU-2010 targets on renewable energy in Galicia (Spain);Míguez;Renewable and Sustainable Energy Reviews,2006