登入選單
返回Google圖書搜尋
Preparation Characteristics of Coal from Perry County, Ky
James W. MillerT. R. Jolley
出版U.S. Department of the Interior, Bureau of Mines, 1956
URLhttp://books.google.com.hk/books?id=74q_0A45oSEC&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN