TitleState-of-the-art environmental technologies for the utilization and reprocessing of mineral industry wastes : report of the Secretary-General.
AccessEnglish:E_C.7_1998_3-EN - PDF ; Español:E_C.7_1998_3-ES - PDF ; Français:E_C.7_1998_3-FR - PDF ; Русский:E_C.7_1998_3-RU - PDF ; العربية:E_C.7_1998_3-AR - PDF ; 中文:E_C.7_1998_3-ZH - PDF ;