000
00272pam a2200109a 44500
082
_a
TR
_b
RI-9203
100
_a
B. D. Honson
245
1
_a
Computer modeling of dust and forces for longwall mining systems
260
_a
_b
_c
700
_a
W. W. Roepke
997
_a
TR1145 C
999
_c
404733
_d
404733