@book{68131,
	author = {Grantham, Walter J. and Vincent, Thomas L.},
	title = {Modern control systems analysis and design /},
	publisher = {J. Wiley,},
	year = {c1993.},
	address = {New York :},
	url = {http://www.loc.gov/catdir/description/wiley037/92031072.html}
}