United Nations mineral resource development programmes : UNCTAD activities in relation to non-fuel mineral resources.
1982
Полное описание
Условное обозначениеTD/B/C.1/226
ЗаглавиеUnited Nations mineral resource development programmes : UNCTAD activities in relation to non-fuel mineral resources.
АвторыUNCTAD
ДатаGeneva : UN, 21 Jan. 1982.
Описание
12 p.