Technoeconomic evaluation of the major telecommunication investment options for European players - Olsen, Borgar Torre; Katsianis, Dimitris; Varoutas, Dimitris; Stordahl, Kjell; Harno, Jarmo; Elnegaard, Nils Kristian; Welling, Ilari; Loizillon, François; Monath, Thomas; Cadro, Philippe (Network, IEEE, 2006)