000 | 00570 a2200241 4500 | ||
---|---|---|---|
001 | 311209 | ||
020 | _a | ||
041 | _aeng | ||
080 | _aLNASA TN D 8295 : 1976 | ||
245 | _aSurface studies of thermionic cathodes and the mechanism of operation of an impregnated tungsten cathode | ||
250 | _a | ||
260 | _aWashington, D.C. | ||
260 | _bNASA | ||
260 | _c1976 | ||
300 | _a30 p. | ||
300 | _c | ||
856 | _uNASA | ||
490 | _aNASA TN D 8295 : 1976 | ||
700 | _a | ||
650 | _a | ||
650 | _aCathodes, Thermionic cathodes, Electron emission | ||
942 | _cPP | ||
942 | _2UDC | ||
999 |
_c259605 _d259605 |