000 00269pam a2200109a 44500
082 _aBTS
_bMONO B-1097
100 _aArthur J Ahearn
245 1 _aElectron microscope studies of thoriated tungsten
260 _a
_b
_c
700 _aJoseph A Becker
997 _aTR16345 C
999 _c406341
_d406341