Commodity trade statistics 1991 - United Nations; United Nations. Statistical Office (New York : United Nations, 1991)
Numbers for 1951 called preliminary and 2d-4th issue.
Vols. for 1960-1961 issued in 2 pts.: Pt. 1, Imports; Pt. 2, Exports.
Each year issued in several fascicles, <1981>-1994.
Issued by the Statistical Division of the United Nations, -1994.
Keywords: Commercial statistics