Letter dated 22 April 1987 from the Permanent Representative of Botswana to the United Nations addressed to the Secretary-General.
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English:A_42_239--S_18821-EN - PDF ; Español:A_42_239--S_18821-ES - PDF ; Français:A_42_239--S_18821-FR - PDF ; Русский:A_42_239--S_18821-RU - PDF ; العربية:A_42_239--S_18821-AR - PDF ; 中文:A_42_239--S_18821-ZH - PDF ;