1. Sustainable Agriculture Reviews, doi:10.1007/978-90-481-3333-8. Springer Netherlands Sustainability of energy crop cultivation in Central Europe 2010; 3.
2. COM (2008) 30 final. Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions 20 20 by 2020, Brussels 2008.
3. Comparative study on energy sustainability of biofuel production chains;Cocco;Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy,2007
4. Socio-economic impacts of energy crops for heat generation in Northern Greece;Panoutsou;Energy Policy,2007
5. Outlook for advanced biofuels;Hamelincka;Energy Policy,2006