@book{2582,
	author = {Åström, Karl J. and Murray, Richard M.},
	title = {Feedback systems :},
	publisher = {Princeton University Press,},
	year = {c2008.},
	address = {Princeton :},
	url = {http://www.loc.gov/catdir/enhancements/fy0806/2007061033-b.html}
}