TY  - BOOK
AU  - Xanthakos, Petros P.
AU  - Abramson, Lee W.
AU  - Bruce, Donald A.
TI  - Ground control and improvement
SN  - 0471552313
U1  - 624 WIL 1994 A036 Or. 
PY  - 1994///
CY  - New York
PB  - J. Wiley
KW  - Ground control (Mining)
UR  - http://www.loc.gov/catdir/description/wiley033/93033106.html
UR  - http://www.loc.gov/catdir/toc/onix03/93033106.html
ER  -