TY  - BOOK
AU  - Wang Fun-Den
AU  -  Clark George B
ED  - Symposium on rock machnics (1977 : Keystone)
TI  - Proceeding on rock mechanics
U1  - HZ:13p73,N77, L7 
PY  - 1977///
CY  - Collrado
PB  - School of Mines Press      
KW  -  Dynamic geology
KW  - Mining
ER  -