George N. Rouskas Fabio Neri Achille Pattavina Stefano Bregni Guido Maier Selected papers from Optical Network Design and Modeling (ONDM) 2005 conference. 199-200 2005 2 Optical Switching and Networking 4 http://dx.doi.org/10.1016/j.osn.2006.02.001 db/journals/osn/osn2.html#RouskasNPBM05