.245
a	Support of Underground Excavations in Hard Rock
h	Book
.020
a	90-5410-187-3
.100
a	Hoek, E.
.005
a	20100928152340
.260
a	Rotterdam
b	A.A. Balkema
c	1995
.041
a	Indonesia
.084
a	624.151 3 HOE s
.336
a	Book