000 | 00293nam a22000977a 4500 | ||
---|---|---|---|
008 | 240715b |||||||| |||| 00| 0 eng d | ||
040 |
_aNational Science Library _cNational Science Library |
||
245 | _aTechnical paper | ||
260 |
_aWashington, D.C.: _bUS Department of Commerce |
||
942 |
_cCR _2udc |
||
999 |
_c64403 _d64403 |