000 | 00349nam a22001097a 4500 | ||
---|---|---|---|
008 | 230831b |||||||| |||| 00| 0 eng d | ||
040 |
_aNational Science Library _cNational Science Library |
||
245 | _aJournal of research national bureau of standards | ||
260 |
_aWashington: _bUS Department of Commerce, |
||
310 | _aBi-monthly | ||
942 |
_cCR _2udc |
||
999 |
_c60047 _d60047 |