详细记录
符号***
标题Sudan. Water drilling : technical report no. 1.
日期New York : UN, 1978.
描述
iv, 29 p., including annexes.
备注
Prepared for the Government of Sudan by the United Nations acting as executing agency for UNDP. Report no. : DP/UN/SUD-68-001/10 ; project symbol : SUD-68-001.