@article {deligiorgi2007nonparametric,
	title = {Nonparametric estimation of a hedonic price index for ADSL connections in the European market using the Akaike Information Criterion},
	journal = {Telecommunication Systems},
	volume = {36},
	number = {4},
	year = {2007},
	pages = {173{\textendash}179},
	publisher = {Springer US},
	author = {Deligiorgi, C and Michalakelis, Christos and Vavoulas, Alexander and Varoutas, Dimitris}
}
