@book{31331,
	author = {Padhi, Radhakant},
	title = {Optimal Control, Guidance and Estimation:},
	publisher = {Indian Insitiute Science},
	address = {Bangalore},
	url = {http://video.snu.edu.in/index.php?id=5527&cat=Aerospace Engineering&course=Optimal Control, Guidance and Estimation.&url=Phase2_Video/101108057/mod01lec03.mp4}
}