Outlook of selected minerals of special interest to the region : world mineral trends.
1985
详细记录
符号E/ESCAP/NR/12/25
标题Outlook of selected minerals of special interest to the region : world mineral trends.
日期[Bangkok] : UN, 9 Sept. 1985.
描述
30 p. : graphs.
备注
"Prepared by Mr. P.H. Ljunggren, consultant"