Program: HathiTrust Digital Library
- Publisher: Izd-vo na Bŭlgarskata akademii︠a︡ na naukite
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 214815800
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.1-7 (1987-90); no.8 (1991)
|
committed to retain | 2009-12-07 | HTDL |
|