Backfilling materials and methods for stress transfer modification in deep longwall mines 的封面图片
Backfilling materials and methods for stress transfer modification in deep longwall mines
TITLE_DISPLAY:
Backfilling materials and methods for stress transfer modification in deep longwall mines [microform]
个人著者:
出版信息:
[Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, [1995]
格式:
缩微
系列:
Information circular ; 9433

Information circular (United States. Bureau of Mines) ; 9433.
物理描述:
32 p. : ill. ; 28 cm.
附加著者: