@book{57143,
	author = {Goetzberger, A. and Hoffmann, Volker U.},
	title = {Photovoltaic solar energy generation /},
	publisher = {Springer,},
	year = {c2005},
	series = {Springer series in optical sciences ;},
	address = {Berlin ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0817/2004116389-t.html}
}