Program: HathiTrust Digital Library
- Publisher: Izdatelstvo na Bŭlgarskata akademii︠a︡ na naukite
- Print ISSN: 0861-0657
- Electronic ISSN:
- OCLC Number: 18434327
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.23 1988; v.24 1989; v.25-26 1990-1991; v.25-26 (1990-91)
|
committed to retain | 2010-05-03 | HTDL |
|