@book{8126,
	author = {Kundur, P. and Balu, Neal J.},
	title = {Power system stability and control /},
	publisher = {McGraw-Hill;},
	year = {c1994 [reprinted 2008].},
	address = {New York ;},
	url = {http://www.loc.gov/catdir/toc/mh022/93021456.html}
}