000
002870000a22001090004500
245
_a
Sealing off fires underground
110
_a
Institution of Mining Engineers, London GB
260
_a
London
_b
Inst. of Mining Engineers
_c
1962
080
_a
622.82
_b
I6
041
_a
EN
942
_c
BK
999
_c
117743
_d
117743