@book{17252,
	author = {Holt, Sarah. and WGBH Video (Firm)},
	title = {World in the balance},
	publisher = {WGBH Boston,},
	year = {c2004.},
	address = {[Boston, Mass.] :},
	note = {DVD-ROM features: 11 PDF files.},
	url = {http://www.pbs.org/wgbh/nova/worldbalance/}
}