Astronomicheski kalendar / Bulgarska akedemii︠a︡ na naukite, Samostoi︠a︡telna sekt︠s︡i︠a︡ po astronomii︠a︡ s Nat︠s︡ionalna astronomicheska observatori︠a︡.
- Publisher: Izd-vo na Bŭlgarskata akademii︠a︡ na naukite
- Print ISSN: 0861-1270
- Electronic ISSN:
- OCLC Number: 5067577
- Subject: Astronomy Observations Periodicals.
- Subject code: QB
- Publication history: Began in 1953.
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | v.13-20 1966-1973; 1975; v.21-26 1974-1979; 1976-80; v.27-32 1980-1985; 1981-86; v.33-37 1986-1990; 1987-91; v.38 1991; 1992-96 (39-42); 1998-2002 (44-48); 2003 (49); 2004-2006 (50-52) | permanent |
| Linda Hall Library of Science, Engineering & Technology (LHL) | Linda Hall Library of Science, Engineering & Technology | v.35-v.42 (1988-1996), v.44-v.56 (1998-2010) | |
| University of California, NRLF Shared Print (ZAP) | WEST, WEST Gold, UCL Shared Print | 1967-1996, 1998-2010 | 20351231 |