@book{180,
	author = {Bullo, Francesco. and Lewis, Andrew D.},
	title = {Geometric control of mechanical systems :},
	publisher = {Springer,},
	year = {c2005.},
	series = {Texts in Applied Mathematics},
	address = {New York :},
	note = {Includes index},
	url = {http://www.loc.gov/catdir/enhancements/fy0662/2004052220-d.html}
}