@inbook{publication-10302,
	address={Cham},
	author={Aebischer, Bernard and Hilty, Lorenz M},
	booktitle={ICT Innovations for Sustainability},
	doi={10.1007/978-3-319-09228-7_4},
	editor={Hilty, Lorenz and Aebischer, Bernard},
	isbn={978-3-319-09227-0 (P) 978-3-319-09228-7 (E)},
	issn={2194-5357},
	number=310,
	pages={71-103},
	publisher={Springer},
	series={Advances in Intelligent Systems and Computing},
	title={The energy demand of ICT: a historical perspective and current methodological challenges},
	year=2015,
}