@article {Katsianis2007,
	title = {3G mobile virtual network operators (MVNOs): Business strategies, regulation, and policy issues},
	journal = {Strategies and Policies in Digital Convergence},
	year = {2007},
	pages = {50-69},
	author = {Katsianis, D and Rokkas, T and Varoutas, D and Sphicopoulos, T and Harno, J and Welling, I}
}
