@booklet {57,
	title = {Energy Sustainability in Cooperating Clouds},
	journal = {CLOSER 2013 - 3rd International Conference on Cloud Computing and Services Science},
	year = {2013},
	month = {10 May},
	pages = {83{\textendash}89},
	publisher = {SCITEPRESS},
	address = {Setubal},
	author = {Celesti A. and Puliafito A. and Tusa F. and Villari M.}
}
@booklet {58,
	title = {How The Dataweb Can Support Cloud Federation: Service Representation And Secure Data Exchange},
	journal = {Proceedings of The Second IEEE Symposium on Network Cloud Computing and Applications (NCCA {\textquoteright}12)},
	year = {2012},
	month = {5 Dicembre},
	pages = {73{\textendash}79},
	publisher = {IEEE Computer Society},
	address = {Los Alamitos, CA},
	doi = {10.1109/NCCA.2012.26},
	author = {Celesti A. and Tusa F. and Villari M. and Puliafito A.}
}
