Sustainable first and second generation bioethanol for Europe : a sustainability assessment of first and second generation bioethanol in the context of the European Commission's REDII proposal / authors: Lara Dammer, Michael Carus, Dr. Stephan Piotrowski, Dr. Ángel Puente, Elke Breitmayer, Dr. Christin Liptow, Niels de Beus ; publisher Michael Carus (V.i.S.d.P.)