Best Practice Guidance for Effective Methane Drainage and Use in Coal Mines,
United Nation Econ. Commiss. for Europe, 2010, 69 с. : с табл., диагр., 978-92-1-117018-4.
.
Best Practice Guidance for Effective Methane Drainage and Use in Coal Mines.
New York: United Nation Econ. Commiss. for Europe, 2010, 69 с. : с табл., диагр., 978-92-1-117018-4.
(2010)
Best Practice Guidance for Effective Methane Drainage and Use in Coal Mines,
New York: United Nation Econ. Commiss. for Europe, 69 с. : с табл., диагр., 978-92-1-117018-4
* Моля, проверите цитатите за точност, преди да ги включите в работата си.
