@book{47497,
	author = {Cai, Xiaoqiang and Sha, Dan},
	title = {Time-varying network optimization /},
	publisher = {Springer,},
	year = {c2007},
	series = {International series in operations research & management science ;},
	address = {New York, NY :},
	url = {http://www.loc.gov/catdir/enhancements/fy0819/2007922440-t.html}
}