Economics of IMT-2000 3G mobile systems - Cerboni, Anne; Ylönen, Maria; Katsianis, Dimitris; Varoutas, Dimitris; Elnegaard, NK; Olsen, Borgar; Ims, Leif; Budry, Lucien (Global Telecommunications Conference, 2000. GLOBECOM'00. IEEE, 2000)