2nd International Exergy, Life Cycle assessment and Sustainability Workshop & Symposium : final conference of Cost Action C24 : proceedings of Elcas 2011, 19-21 June 2011 Nisyros Island, Greece - Κορωναίος, Χριστόφορος; Ρόβας, Δημήτριος Κ; Ντόμπρος, Άρης (Cost, COSTeXergy, 2011)