Report of the open-ended working group on the question of equitable representation on and increase in the membership of the security council / United Nations. United Nations. United Nations Security Council - Membership 341.2323 UNR "General assembly, official records, fiftieth session, supplement no. 47 (A/50/47/Rev.1)" Includes bibliographical references. New York : United Nations, 1998. 1998. 1998 Text iv, 90 p. ; eng