000
00248pam a2200109a 44500
082
_a
TR
_b
TPR-116
100
_a
Welby G. Courtney
245
1
_a
Dust deposition in coal mine airways
260
_a
_b
_c
700
_a
Jay Colinet
997
_a
TR1161 C
999
_c
404748
_d
404748