000
00269pam a2200109a 44500
082
_a
BTS
_b
MONO B-1097
100
_a
Arthur J Ahearn
245
1
_a
Electron microscope studies of thoriated tungsten
260
_a
_b
_c
700
_a
Joseph A Becker
997
_a
TR16345 C
999
_c
406341
_d
406341