NBS frequency and time broadcast services.
- Publisher: U.S. Dept. of Commerce, National Bureau of Standards :
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 31183999
- Subject: Time-signals Periodicals.
- Subject code: QC
- Publication history: Began with 1968 ed. ; ceased with 1974 ed.
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1968-1974 | permanent |