Program: HathiTrust Digital Library
- Publisher: Izd-vo Bolgarskoĭ akademii nauk
- Print ISSN: 0204-6989
- Electronic ISSN:
- OCLC Number: 12318767
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.21-27 (1985-90); v.28-30 (1991-92)
|
committed to retain | 2010-09-16 | HTDL |
|