@book{237491,
	author = {United Nations. Department of Economic and Social Affairs. Statistics Division},
	title = {Industrial commodity statistics yearbook : production statistics (1997 -2006) = Annuaire de statestiques industrielles par produit : statistiques de production (1997-2006) : Vol, 1 : 1997 -2006 /},
	publisher = {United Nations,,},
	year = {2009.},
	address = {New York: :}
}