Efficiency and rational application of various methods and techniques of water drainage in opencast mining / transmitted by the Government of the United Kingdom.
1984
Полное описание
Условное обозначение[E/ECE/]COAL/GE.5/R.30/Add.2
ЗаглавиеEfficiency and rational application of various methods and techniques of water drainage in opencast mining / transmitted by the Government of the United Kingdom.
АвторыUnited Kingdom
ДатаGeneva : UN, 17 Apr. 1984.
Описание
6, [2] p. : tables