Program: HathiTrust Digital Library
- Publisher: Agricultural Academy "Georgi Dimitrov", Center for Scientific, Technical and Economic Information in Agriculture and Forestry
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 1770758
- 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 1972-1973; v.19-20 1974-1975; v.22 no.1 1976; v.21-22 1976-1977; v.23-24 1978-1979; v.25-26 1980-1981
|
committed to retain | 2012-12-04 | HTDL |
|