@book{79,
	author = {Kothari, D. P. and Nagrath, I. J.},
	title = {Modern power system analysis /},
	publisher = {Tata McGraw-Hill Publishing,},
	year = {2003.},
	series = {McGraw-Hill core concepts in electrical engineering series.},
	address = {New Delhi :},
	edition = {3rd ed.},
	note = {Includes bibliographical references and index.}
}