Program: HathiTrust Digital Library
- Publisher: Bulgarian Academy of Sciences, Scientific Information Centre
- Print ISSN: 0204-9449
- Electronic ISSN:
- OCLC Number: 6799521
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.17-18 (1979-80); v.17-19 1978-1981; v.19-20 (1981-82); v.20-21 1982-1983; v.22-23 1984-1985; v.21-24 (1983-86); v.24-25 1986-1987; v.26 1988; v.25-27 (1987-89); v.28:1-3 (1990)
|
committed to retain | 2012-12-04 | HTDL |
|