000 | 00467nam a2200133 4500 | ||
---|---|---|---|
999 |
_c178487 _d178487 |
||
027 |
_aIEC publication 151-4 _q1963 |
||
041 | _aeng | ||
942 | _cSD | ||
110 | _aINTERNATIONAL ELECTROTECHNICAL COMMISSION | ||
245 | _aIEC publication 151-4 : measurements of the electrical properties of electronic tubes and valves : part 4 : methods of measuring noise factor | ||
260 |
_aGeneva _bINTERNATIONAL ELECTROTECHNICAL COMMISSION |
||
300 | _a13p. | ||
500 | _aSTD3106 |