@article {katsianis20073g,
	title = {3G Mobile Virtual Network Operators (MVNOs): Business Strategies},
	journal = {Strategies and Policies in Digital Convergence},
	year = {2007},
	pages = {50},
	publisher = {IGI Global},
	author = {Katsianis, Dimitris and Rokkas, Theodoros and Varoutas, Dimitris and Sphicopoulos, Thomas and Harno, Jarmo and Welling, Ilary}
}
