TY  - BOOK
T1  - Practical handbook of rock mass classification systems and modes of ground failure /
DA  - c1992.
CY  - Boca Raton :
AU  - Afrouz, Andy A.
CN  - QE431.6.M4
CN  - QE431.6.M4
PB  - CRC Press,
PP  - Boca Raton :
PY  - c1992.
ID  - 144960
KW  - Rocks
KW  - Rocks
KW  - Ground control (Mining)
SN  - 0849337119
TI  - Practical handbook of rock mass classification systems and modes of ground failure /
ER  -