000
00277nam a2200109Ia 4500
001
23668
008
170722s9999 xx 000 0 und d
100
_a
Komarnioskil, Ni
245
_a
Zones and planes of weakness in rocks and stope stability /
260
_c
1968.
942
_c
GEN
999
_c
72329
_d
72329