@book{355533,
	author = {Geman, Hélyette.},
	title = {Risk management in commodity markets :},
	publisher = {Wiley,},
	year = {c2008.},
	address = {Chichester, West Sussex, England ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0909/2008038613-b.html}
}