Program: HathiTrust Digital Library
- Publisher: Izd-vo na Bŭlgarskata akademii︠a︡ na naukite
- Print ISSN: 0204-7675
- Electronic ISSN:
- OCLC Number: 2659486
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.1-5 (1975-79); no.6-11; no.12-19 (1983-86); no.20-24 (1987-91); no.25-26 (1994)
|
committed to retain | 2010-09-11 | HTDL |
|