详细记录
符号***
标题Chad. Recherches minieres et formation du service geologique : conclusions et recommandations du projet.
日期New York : UN, 1979.
描述
iv, 23 p., including annexes : maps.
备注
Prepared for the Government of Chad by the United Nations acting as executing agency for UNDP. Report no. : DP/UN/CHD-72-002/3 ; project symbol : CHD-72-002.