TY - BOOK ED - United Nations. TI - Elements for a programme of action for the 1990s for the Least Devel oped Countries : United Nations, General Assembly, Preparatory Committe e for the Second United Nations Conference on the Least Developed Count ries, 26 March 1990 PY - 1990/// CY - New York : PB - United Nations, KW - United Nations N1 - Note prepared by the UNCTAD Secretariat ER -