@book{66915,
	author = {Williams, Jeffrey,},
	title = {The economic function of futures markets /},
	publisher = {Cambridge University Press,},
	year = {1986.},
	address = {Cambridge [Cambridgeshire] ;},
	note = {Based on the author's thesis (Ph. D.)--Yale University.},
	url = {http://www.loc.gov/catdir/description/cam031/85006653.html}
}