Program: HathiTrust Digital Library
- Publisher: Izd-vo na Bŭlgarskata akademii︠a︡ na naukite
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 24683569
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.74-77 1981-84; v.78-81 1986-1989; v.82-85 1993-95; v.87-89 1997
|
committed to retain | 2010-03-09 | HTDL |
|