@book{112918,
	author = {Hoffmann, Winfried and Richardson, Russell,},
	title = {The economic competitiveness of renewable energy :},
	publisher = {Scrivener Publishing :},
	year = {2014.},
	address = {Salem, Massachusetts ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10870824}
}