Program: HathiTrust Digital Library
- Publisher: Izd-vo na Bŭlgarskata akademii︠a︡ na naukite
- Print ISSN: 0324-1459
- Electronic ISSN:
- OCLC Number: 2369502
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.1 1975; no.4 1985; no.5 1989; v.5-6 (1989-91); no.6 1991
|
committed to retain | 2010-08-23 | HTDL |
|