@book{48403,
	author = {Grigsby, Leonard L.},
	title = {Power systems /},
	publisher = {CRC Press,},
	year = {c2007},
	series = {Electric power engineering handbook},
	address = {Boca Raton :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0711/2007005730.html}
}