000 | 00643nam a22001817a 4500 | ||
---|---|---|---|
008 | 230501b |||||||| |||| 00| 0 eng d | ||
040 |
_aNational Science Library _cNational Science Library |
||
080 |
_a53.08 _bL2.5 |
||
100 |
_aBlair, B E _97961 |
||
245 |
_aPrecision measurement and calibration: _bSelected NBS papers on frequency and time |
||
260 |
_aWashington, D.C.: _bNational Bureau of Standards, _c1972 |
||
490 |
_aNBS special publication 300 _vVol. 5 |
||
650 | _aAtomic frequency standards | ||
653 | _aPhysical instruments | ||
653 | _aFrequencies of oscillating systems | ||
700 | _aMorgan, A H | ||
942 |
_2udc _cPR |
||
999 |
_c25553 _d25553 |