000
00317nam a2200145Ia 4500
001
16322
003
Ost
005
20260507155521.0
008
251113s9999||||xx |||||||||||||| ||eng||
040
_c
nitttr
041
_a
eng
082
_a
624.193
_b
T834
245
0
_a
Tunneling operations and equipment /
942
_c
BK
999
_c
16178
_d
16178