1 January 2020 - 1 January 2026
| DOI | https://doi.org/10.48597/CJ74-SFHR |
|---|---|
| Start time | 1 January 2020 |
| Stop time | 1 January 2026 |
| Valid since | 19 May 2026 08:43:17 |
| DOI | https://doi.org/10.48597/CJ74-SFHR |
|---|---|
| Start time | 1 January 2020 |
| Stop time | 1 January 2026 |
| Valid since | 19 May 2026 08:43:17 |
| DOI | https://doi.org/10.48597/K8BJ-RPAW |
|---|---|
| Start time | 1 January 2020 |
| Stop time | 1 January 2025 |
| Valid from | 13 August 2025 08:19:28 |
| Valid to | 19 May 2026 08:43:17 |
| DOI | https://doi.org/10.48597/7338-8DFK |
|---|---|
| Start time | 1 January 2020 |
| Stop time | 1 January 2024 |
| Valid from | 25 April 2024 11:52:14 |
| Valid to | 13 August 2025 08:19:28 |
| DOI | https://doi.org/10.48597/4E6V-F2Y9 |
|---|---|
| Start time | 1 January 2020 |
| Stop time | 1 January 2024 |
| Valid from | 8 April 2024 14:26:21 |
| Valid to | 25 April 2024 11:52:14 |
| DOI | https://doi.org/10.48597/SK87-4GM4 |
|---|---|
| Start time | 1 January 2020 |
| Stop time | 1 January 2023 |
| Valid from | 31 March 2023 12:25:18 |
| Valid to | 8 April 2024 14:26:21 |
| DOI | https://doi.org/10.48597/AV63-G59Z |
|---|---|
| Start time | 1 January 2020 |
| Stop time | 1 January 2023 |
| Valid from | 27 February 2023 13:15:45 |
| Valid to | 31 March 2023 12:25:18 |
| DOI | https://doi.org/10.48597/B7RG-NVCB |
|---|---|
| Start time | 1 January 2020 |
| Stop time | 1 January 2022 |
| Valid from | 27 June 2022 11:48:19 |
| Valid to | 27 February 2023 13:15:45 |
| DOI | https://doi.org/10.48597/PPRU-6DUR |
|---|---|
| Start time | 1 January 2021 |
| Stop time | 1 January 2022 |
| Valid from | 24 June 2022 16:18:17 |
| Valid to | 27 June 2022 11:48:19 |