TY  - GEN
AU  - Hudson, J. A.
TI  - Engineering rock mechanics: an introduction to the principles 
SN  - 0080419127 (hc)
U1  - 624.15132 HUD 
PY  - 1997///
CY  - Tarrytown, NY
PB  - Pergamon
KW  - Rock mechanics
ER  -