@article {varoutas20023g,
	title = {3G MVNOs financial perspectives},
	journal = {Proc. IST Mobile \& Wireless Telecommunications, Summit},
	year = {2002},
	pages = {557{\textendash}561},
	author = {Varoutas, Dimitris and Katsianis, Dimitris and Sphicopoulos, Thomas and Cerboni, Anne and Kalhagen, Kjell Ove and Stordahl, Kjell and Harno, Jarmo and Welling, Ilari}
}
