@article {christodoulos2011combination,
	title = {On the combination of exponential smoothing and diffusion forecasts: An application to broadband diffusion in the OECD area},
	journal = {Technological Forecasting and Social Change},
	volume = {78},
	number = {1},
	year = {2011},
	pages = {163{\textendash}170},
	publisher = {Elsevier},
	author = {Christodoulos, Charisios and Michalakelis, Christos and Varoutas, Dimitris}
}
