@article {Katsianis2009,
	title = {Alternatives for mobile operators in the competitive 3G and beyond business},
	journal = {Telecommunication Systems},
	volume = {41},
	number = {2},
	year = {2009},
	pages = {77-95},
	author = {Harno, J and Katsianis, D and Smura, T. and Eskedal, T.G. and Venturin, R. and Pohjola, O.P. and Kumar, K.R.R. and Varoutas, D}
}
