@article {varoutas2006economics,
	title = {On the economics of 3g mobile virtual network operators (mvnos)},
	journal = {Wireless Personal Communications},
	volume = {36},
	number = {2},
	year = {2006},
	pages = {129{\textendash}142},
	publisher = {Kluwer Academic Publishers},
	author = {Varoutas, Dimitris and Katsianis, Dimitris and Sphicopoulos, Th and Stordahl, Kjell and Welling, Ilari}
}
