TY  - BOOK
AU  - Hardy,H.Reginald
AU  - Stefanko,Robert
ED  - Symposium on Rock Mechanics,
TI  - New horizons in rock mechanics: proceedings 
T2  - Symposium on Rock Mechanics
AV  - TA706 S945
U1  - 624/.1513 s624/.1513 
PY  - 1973///
CY  - New York
PB  - American Society of Civil Engineers
KW  - Mecánica de rocas
KW  - Congresos
N1  - "Sponsored by the U.S. National Committee for Rock Mechanics of the National Academy of Sciences--National Academy of Engineering and the Pennsylvania State University"
ER  -