登入選單
返回Google圖書搜尋
Drainage of Methane from the Overlying Pocahontas No. 4 Coalbed from Workings in the Pocahontas No. 3 Coalbed
Gerald L. FinfingerJoseph Cervik
出版Department of the Interior, Bureau of Mines, 1979
URLhttp://books.google.com.hk/books?id=_7pzZ3-IUcEC&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN