000
00229pam a2200097a 44500
082
_a
TR
_b
IC-9326
100
_a
J. William Wuest
245
1
_a
Controlling coal mine floar heave
_b
an overview
260
_a
_b
_c
997
_a
TR7330 C
999
_c
406080
_d
406080