@book{47565,
	author = {Tripathi, S.},
	title = {Modern control systems /},
	publisher = {Infinity Science Press,},
	year = {2008},
	address = {Hingham, Massachussetts :},
	note = {includes index},
	url = {http://www.loc.gov/catdir/toc/ecip0813/2008012204.html}
}