@book{20309,
	author = {S�rensen, Bent, and ebrary, Inc.},
	title = {Renewable energy conversion, transmission, and storage},
	publisher = {Elsevier/Academic Press,},
	year = {c2007.},
	address = {Amsterdam ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10276464}
}