@article {Katsianis2002,
	title = {Economic viability of 3G mobile virtual network operators},
	journal = {Proceedings - 2002 International Conference on Third Generation Wireless and Beyond (Key Function of World Wireless Congress)},
	year = {2002},
	pages = {60-63},
	author = {Varoutas, D and Katsianis, D and Sphicopoulos, Th. and Cerboni, A. and Canu, S. and Kalhagen, K.O. and Stordahl, K. and Harno, J and Welling, I}
}
