Program: HathiTrust Digital Library
- Publisher: [Observatório]
- Print ISSN: 0870-3434
- Electronic ISSN:
- OCLC Number: 22158892
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1918; 1981-1983; 1985; 1987; 1990 1990; 1991; 1993; 2005-2006; Jan 2008
|
committed to retain | 2018-05-05 | HTDL |
|