000
00281pam a2200109a 44500
082
_a
TR
_b
RI-9399
100
_a
Gerrit V. R. Goodman
245
1
_a
Jet fan ventilation in very deep cuts-a preliminary analysis
260
_a
_b
_c
700
_a
Edward D. Thimons
997
_a
TR6777 C
999
_c
405933
_d
405933