Techno-Economic Evaluation of Narrowband and Broadband Access Network Alternatives and Evolution Scenario Assessment. - Borgar Tørre Olsen; Alcibiade Zaganiaris; Kjell Stordahl; Leif Aarthun Ims; Dagfinn Myhre; T. Øverli; M. Tahkokorpi; Ilari Welling; M. Drieskens; J. Kraushaar; Jari Mononen; Markku Lähteenoja; et al. (IEEE J. Sel. Areas Commun., 1996)

The financial perspective of the mobile networks in Europe. - Dimitris Katsianis; Ilari Welling; Maria Ylönen; Dimitris Varoutas; Thomas Sphicopoulos; Nils Kristian Elnegaard; Borgar Tørre Olsen; Lucien Budry (IEEE Wirel. Commun., 2001)

Business opportunities throughUMTS-WLAN networks. - Dimitris Varoutas; Dimitris Katsianis; Thomas Sphicopoulos; François Loizillon; Kjell Ove Kalhagen; Kjell Stordahl; Ilari Welling; Jarmo Harno (Ann. des Télécommunications, 2003)

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

On the Economics of 3G Mobile Virtual Network Operators (MVNOs). - Dimitris Varoutas; Dimitris Katsianis; Thomas Sphicopoulos; Kjell Stordahl; Ilari Welling (Wirel. Pers. Commun., 2006)