@book{179203,
	author = {Kothari, D. P. and Nagrath, I. J.},
	title = {Modern power system analysis /},
	publisher = {McGraw-Hill Higher Education,},
	year = {2003},
	series = {McGraw-Hill core concepts in electrical engineering series.},
	address = {Boston :},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0668/2006041933-d.html}
}