X-ray protection.
- Publisher: U.S. Gov. Print. Off.
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 9885233
- Subject: X-rays Safety measures.
- Subject code: R
- Publication history:
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1949; 1961 | permanent |