@article {katsianis20073g,
	title = {3G mobile virtual network operators (MVNOs): business strategies, regulation and policy issues},
	journal = {Strategies and policies in digital convergence. Idea Group Publishing},
	year = {2007},
	author = {Katsianis, Dimitris and Rokkas, Theodoros and Varoutas, Dimitris and Sphicopoulos, Thomas and Harno, Jarmo and Welling, Ilary}
}
