@article {katsianis2001financial,
	title = {The financial perspective of the mobile networks in Europe},
	journal = {Personal Communications, IEEE},
	volume = {8},
	number = {6},
	year = {2001},
	pages = {58{\textendash}64},
	publisher = {IEEE},
	author = {Katsianis, Dimitris and Welling, Ilari and Yl{\"o}nen, Maria and Varoutas, Dimitris and Sphicopoulos, Thomas and Elnegaard, Nils Kristian and Olsen, Borgar T and Budry, Lucien}
}
