@book{16,
	author = {Sørensen, Bent,},
	title = {Renewable energy conversion, transmission, and storage /},
	publisher = {Elsevier/Academic Press,},
	year = {c2007.},
	address = {Amsterdam ;},
	url = {http://www.loc.gov/catdir/toc/ecip084/2007045721.html}
}