@book{21252,
	author = {Kothari, M.L.},
	title = {Power System Dynamics:},
	publisher = {Indian Insitiute of Technology},
	address = {Delhi},
	url = {http://video.snu.edu.in/index.php?id=1751&cat=Electrical Engineering&course=Power System Dynamics&url=Phase1_Video/108102080/lec11.mp4}
}