000
00280pam a2200097a 44500
082
_a
TR
_b
RI-9274
100
_a
Maria I. Derosa
245
1
_a
Determining the relative toxicity and soke obscuration of combustion products of mine combustibles
260
_a
_b
_c
997
_a
TR6647 C
999
_c
405811
_d
405811