@conference {christodoulos2010estimation,
	title = {Estimation of future prepaid{\textemdash}postpaid mobile telephony equilibrium in the OECD area},
	booktitle = {Telecommunications Internet and Media Techno Economics (CTTE), 2010 9th Conference on},
	year = {2010},
	pages = {1{\textendash}4},
	publisher = {IEEE},
	organization = {IEEE},
	author = {Christodoulos, Charisios and Michalakelis, Christos and Varoutas, Dimitris}
}
