RT Book, Section SR Electronic(1) A1 United Nations Office of Legal Affairs YR 1987 T1 Cumulative (1987) numerical index by registration or filing and recording numbers T2 Statement of Treaties and International Agreements PB United Nations SN 9789210592222 DO 10.18356/6aa1c098-en UL https://www.un-ilibrary.org/content/books/9789210592222c005