Program: HathiTrust Digital Library
- Publisher: Izd-vo na Bŭlgarskata akademii︠a︡ na naukite
- Print ISSN: 0324-0975
- Electronic ISSN:
- OCLC Number: 2244354
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.1-10 1975-78; no.11-20 1979-82; 1986-91; no.21-30 1986-91; no.41-48 1991-96
|
committed to retain | 2010-12-03 | HTDL |
|