000
00326nam a22001457a 4500
005
20170401153215.0
008
170401b xxu||||| |||| 00| 0 eng d
041
_a
eng
100
_a
GHATAK , S
_9
3368
245
_a
MINE VENTILATION VOL II
260
_b
COAL FIELDS
300
_a
232
650
_a
MINNING
_9
3779
942
_c
BK
999
_c
5388
_d
5386