Izvestii︠a︡.
- Publisher: Bŭlgarska akademii︠a︡ na naukite
- Print ISSN: 0068-3736
- Electronic ISSN:
- OCLC Number: 2702322
- Subject: Geophysics Periodicals.
- Subject code: QC
- Publication history: t. 1-20; 1960-1974.
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | v.1-3 1960-62; v.4-6 1963-65; v.19-20 | permanent |
| Linda Hall Library of Science, Engineering & Technology (LHL) | Linda Hall Library of Science, Engineering & Technology | v.5-v.20 (1964-1974) |