TY  - BOOK
AU  - Hoek,Evert
AU  - Bray,John
TI  - Rock slope engineering
SN  - 0900488573
U1  - 624.152 
PY  - 1981///
CY  - London
PB  - Institution of Mining and Metallurgy
KW  - Rock slopes
KW  - MCE
ER  -