Letter dated 12 April 1977 from the Permanent Representative of Belgium to the United Nations addressed to the Secretary-General Belgium Correspondence 1977-04-18 A/AC.187/10 EN
Letter dated 12 April 1977 from the Permanent Representative of Belgium to the United Nations addressed to the Secretary-General: Corrigendum Belgium Correspondence 1977-05-03 A/AC.187/10/Corr.1 EN
