000
00304nam a2200121Ia 4500
008
190719s9999 xx 000 0 und d
082
_a
622.2 H685
100
_a
HOEK,E
245
0
_a
ROCK SLOPE ENGINEERING
260
_a
LONDON
_b
INST. OF MINING AND METALLURGY
_c
1981
300
_a
28X22
942
_c
BK
_2
DDC
999
_c
47268
_d
47268