Power considerations towards a sustainable Pan-European network - Tzanakaki, A.; Katrinis, K.; Politi, T.; Stavdas, A.; Pickavet, M.; Daele, P.V.; Simeonidou, D.; O'Mahony, M.J.; Aleksic, S.; Wosinska, L.; Monti, P. (Optics InfoBase Conference Papers, 2011)