TY - SER ED - United Nations. TI - Commodity trade statistics SN - 0010-3233 PY - 1993/// CY - New York PB - Statistical Office of the United Nations, Dept. of Eco nomic Affairs KW - Commercial statistics KW - Statistics KW - Periodicals N1 - Title from cover; "By groups of the Standard International Trade Classification."; Statistical papers - United Nations. Series D. Commodity trade stati stics ER -