Giacobbe, M., A. Celesti, M. Fazio, M. Villari, and A. Puliafito,  "Evaluating a Cloud Federation Ecosystem to Reduce Carbon Footprint by Moving Computational Resources",  20th IEEE Symposium on Computers and Communication (ISCC 2015) - IEEE International Workshop on Distributed Mobile Systems & Services (DMSS 2015), Larnaca, Cyprus, IEEE Computer Society, pp. 99 - 104, July, 2015.