TY  - BOOK
AU  - Hoek, Evert
AU  - Brown, Edwin T.
TI  - Underground Excavations in Rock
SN  - 9780419160304
U1  - 624.151 HOE 
PY  - 1982///
CY  - London
PB  - Institution of Mining and Metallurgy
N1  - <p>Contents:</p>

<p>1.&nbsp;Planning C
ER  -