@book{42992,
	author = {Freris, L. L. and Infield, D. G.},
	title = {Renewable energy in power systems /},
	publisher = {John Wiley & Sons,},
	year = {2008.},
	address = {Chichester, U.K. :},
	url = {http://www.loc.gov/catdir/enhancements/fy0806/2007050173-t.html}
}
