RT Book, Section SR Electronic(1) A1 United Nations YR 1970 T1 International sale of goods T2 United Nations Commission on International Trade Law (UNCITRAL) Yearbook 1968-1970 PB United Nations SN 9789210450997 DO 10.18356/884096f9-en UL https://www.un-ilibrary.org/content/books/9789210450997s007-c001