Program: HathiTrust Digital Library
- Publisher: Instituto de Ciencias Naturales
- Print ISSN: 0027-5123
- Electronic ISSN:
- OCLC Number: 1717939
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1-25 1952-1956; v.26-64 1959-1985; v.65-75 1986-1995
|
committed to retain | 2011-07-20 | HTDL |
|