@book{175944,
	author = {Leigh, J. R. and Institution of Electrical Engineers.},
	title = {Control theory /},
	publisher = {Institution of Electrical Engineers,},
	year = {c2004.},
	series = {IEE control engineering series ;},
	address = {London :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0631/2004353211-d.html}
}