@book{182644,
	author = {United Nations.},
	title = {Commodity indexes for the Standard international trade classification, revision 3 /},
	publisher = {United Nations,},
	year = {1994.},
	series = {Statistical papers. Series M / Department for Economic and Social Information and Policy Analysis, Statistical Division ;},
	address = {New York :},
	note = {"ST/ESA/STAT/SER.M/38/Rev.2 (vol. 1)."}
}