Journal.
- Publisher: [publisher not identified]
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 213730776
- Subject: Science Periodicals.
- Subject code: Q
- Publication history: v. 1-24; 1935-1958.
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | v.1-3 1935-37; v.16-19 1950-53; v.20-23 1954-57; v.24 | permanent |