RT Book, Section SR Electronic(1) A1 United Nations Department of Economic and Social Affairs YR 1992 T1 International merchandise trade T2 Statistical Yearbook 1992, Thirty-ninth Issue PB United Nations SN 9789210452885 DO 10.18356/9789210452885c020 UL https://www.un-ilibrary.org/content/books/9789210452885c020