Programme changes, 1980-1981 : remote sensing, surveying and mapping : note / by the secretariat.
1980
详细记录
符号E/ESCAP/NR/7/18
标题Programme changes, 1980-1981 : remote sensing, surveying and mapping : note / by the secretariat.
日期Bangkok : UN, 18 Aug. 1980.
描述
[2] p.