@article {michalakelis2008diffusion,
	title = {Diffusion models of mobile telephony in Greece},
	journal = {Telecommunications Policy},
	volume = {32},
	number = {3},
	year = {2008},
	pages = {234{\textendash}245},
	publisher = {Elsevier},
	author = {Michalakelis, Christos and Varoutas, Dimitris and Sphicopoulos, Thomas}
}
