000 00468 a2200253 4500
001 24365
020 _a1
041 _aeng
080 _a621.3.032.216 Her-2(
245 _aThe oxide-coated cathode; manufacture.
250 _aChapman &
260 _a
260 _bv.2, illus., 21cm.,
260 _c
300 _a
300 _c
490 _a
100 _aHerrmann, G.Wagener, S.
700 _a
650 _a
650 _a
942 _cBK
942 _2UDC
999 _c45667
_d45667