Program: HathiTrust Digital Library
- Publisher: Izd-vo na Bulgarskata akademii︠a︡ na naukite
- Print ISSN: 0204-9805
- Electronic ISSN:
- OCLC Number: 4480894
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1-4; v.1-4 1977-1981; v.5-8 1983-1986; v.5-9 (1983-87); v.10-11 (1989-91); v.9-13 1987-2000; v.14 2003; v.16-17 2004-2005; v.18 2007
|
committed to retain | 2010-04-01 | HTDL |
|