Observatories: High Value Added Services in the Specialized Libraries of the 21st Century.
Supplementary File Metadata
| Title | Sin tÃtulo |
| Creator (or owner) of file | — |
| Subject | — |
| Type | Instrumentación |
| Brief description | — |
| Publisher | — |
| Contributor or sponsoring agency | — |
| Date | 2017-05-16 |
| Source | — |
| Language | — |