000
00259nam a22001097a 4500
082
_a
621.89 GAS'G
100
_a
POWELL, J. W,GRASSAM, N. S
_9
79106
245
_a
GAS LUBRICATED BEARINGS
260
_a
LONDON
_b
BUTTERWORTHS
_c
1964
300
_a
309P
942
_c
BK
999
_c
584170
_d
584170