Topic 7, Economic and environmental aspects of the utilization of coal-mining and coal preparation waste : the reclamation of ground damaged by underground and opencast coal mining : summary / transmitted by the Government of Bulgaria.
1983
Полное описание
Условное обозначение[E/ECE/]COAL/SEM.8/R.14(Summary)
ЗаглавиеTopic 7, Economic and environmental aspects of the utilization of coal-mining and coal preparation waste : the reclamation of ground damaged by underground and opencast coal mining : summary / transmitted by the Government of Bulgaria.
АвторыYordanov, I.
Bulgaria
Bulgaria
Содержит
Economic and environmental aspects of the utilization of coal-mining and coal preparation waste : summary.
The reclamation of ground damaged by underground and opencast coal mining : summary.
The reclamation of ground damaged by underground and opencast coal mining : summary.
ДатаGeneva : UN, 30 Mar. 1983.
Описание
2 p.
Примечания
Prepared by I. Yordanov.