Program: HathiTrust Digital Library
- Publisher: Izdatelstvo na Bŭlgarskata akademii︠a︡ na naukite
- Print ISSN: 0204-9880
- Electronic ISSN: 0204-9880
- OCLC Number: 5003783
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.1-6 1978-1981; vyp.5/6 1981; no.7-9 1984-1988; no.10-12 1990-1992
|
committed to retain | 2017-05-27 | HTDL |
|