TY  - GEN
TI  - Rock engineering and excavation in an urban environment : proceedings ..
SN  - 0-900488-87-5
PY  - 1986///
CY  - London
PB  - Institution of Mining & Metallurgy
KW  - ROCK MECHANICS
KW  - EXCAVATION
N1  - Conference organized by the Institute of Mining & Metallurgy & Hong Kong Institute of Engineers
ER  -