TitleAccess to the optical disk system : report of the Secretary-General.
AccessEnglish:A_C.5_51_56-EN - PDF ; Español:A_C.5_51_56-ES - PDF ; Français:A_C.5_51_56-FR - PDF ; Русский:A_C.5_51_56-RU - PDF ; العربية:A_C.5_51_56-AR - PDF ; 中文:A_C.5_51_56-ZH - PDF ;