TY  - BOOK
AU  - Bieniawski, Z. T
AU  - 
TI  - Rock Mechanics Design in Mining and Tunneling
U1  - 624. 121 
PY  - 1984///
CY  - Rotterdam
PB  - Balkem, A. A
KW  - Rock Mechanics Design in Mining and Tunneling
N1  -  Ref. at the end of each chap
ER  -