TY  - BOOK
AU  - Stagg, K.G.
AU  - Zienkiewicz, O. C.
TI  - Rock mechanics in engineering practice
U1  - 624.1513 STA 
PY  - 1968///, repr. 1979
CY  - London
PB  - Wiley
KW  - Rock mechanics
N1  - Includes bibliographical references
ER  -