New Delhi: Institution of Electronics and Telecommunication Engineers.
| Archivage | Début | Fin |
|---|---|---|
| CLOCKSS Archive | 1984 | 2024 |
| Internet Archive | 1980 | 2004 |
| Internet Archive | 1984 | 2004 |
| Library of Congress | 2017 | 2024 |
| LOCKSS Archive | 1984 | 2023 |
| LOCKSS Archive | 2024 | 2024 |
| National Digital Preservation Program, China | 1997 | 2024 |
| Portico | 1984 | 2024 |
| Scholars Portal | 1984 | 2023 |