Program: HathiTrust Digital Library
- Publisher: Izd-vo na Bŭlgarskata akademii͡a na naukite
- Print ISSN: 0572-7383
- Electronic ISSN:
- OCLC Number: 2704961
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.18-19 (1969-70); v.20-23 (1971-74)
|
committed to retain | 2010-09-27 | HTDL |
|