TY - BOOK ED - United Nations Conference on Trade and Development. Trade and Develo pment Board. TI - Report of the Ad Hoc Group of Experts on Trade and Economic Co-opera tion among countries having different economic and social systems held at the Palais des Nations, Geneva, from 20 to 23 January 1987 PY - 1987/// CY - Geneva : PB - United Nations, KW - Economic co-operation KW - Economic policy KW - International trade N1 - Thirty-third session, second part, Geneva, 23 March 1987 item 7 of t he provisional agenda ER -