Program: HathiTrust Digital Library
- Publisher: Izd-vo na Bŭlgarskata akademii︠a︡ na naukite
- Print ISSN: 0204-9945
- Electronic ISSN: 0204-9945
- OCLC Number: 13780974
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.73 1980; v.75-78 1982-1985; v.79 1989
|
committed to retain | 2018-08-30 | HTDL |
|