Advances Advances in Environmental and Agricultural Science : Proceedings of the 4th International conference on Energy Systems, Environment, Entrepreneurship and Innovation (ICESEEI '15). Dubai, United Arab Emirates, February 22-24, 2015. -- [S.l.] : WSEAS Press, 2015. -- ISBN : 978-1-61804-270-5. Cardone, Vitale. Vento, Mario