TY  - BOOK
AU  - Hoek,Evert
AU  - Bray,John
TI  - Rock slope engineering
SN  - 0900488360 :
AV  - TA706 .H63 1977
PY  - 1977///
CY  - London
PB  - Institution of Mining and Metallurgy
KW  - Rock slopes
ER  -