Program: HathiTrust Digital Library
- Publisher: Centro Ecológico de Sonora
- Print ISSN: 0188-9168
- Electronic ISSN:
- OCLC Number: 30832987
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1 no.2; v.2-3 1992-94; v.2 no.1-2; v.3 no.2
|
committed to retain | 2016-04-24 | HTDL |
|