| 000 | 00424pam a2200157a 44500 | ||
|---|---|---|---|
| 082 |
_aNBS-236 _b- |
||
| 100 | _aViezbicke,P. P. | ||
| 245 | 1 | _aNBS frequemcy and time broad cast services | |
| 260 |
_a _bU.S. Department Of Commerce,Washington _c1970 |
||
| 300 | _a14, | ||
| 440 |
_aNational Bureau Of Standards _vNbs No.236 |
||
| 500 | _aBound With:Nbs No.236,250 | ||
| 700 | _a, | ||
| 964 | _gCIRC | ||
| 997 | _aTR4242 C | ||
| 999 |
_c391898 _d391898 |
||