1 January 2021 - 30 December 2024
| DOI | https://doi.org/10.48597/NPTJ-6FHS |
|---|---|
| Start time | 1 January 2021 |
| Stop time | 30 December 2024 |
| Valid since | 8 December 2025 14:22:16 |
| DOI | https://doi.org/10.48597/NPTJ-6FHS |
|---|---|
| Start time | 1 January 2021 |
| Stop time | 30 December 2024 |
| Valid since | 8 December 2025 14:22:16 |
| DOI | https://doi.org/10.48597/JSC8-RZ2A |
|---|---|
| Start time | 1 January 2021 |
| Stop time | 1 January 2024 |
| Valid from | 27 January 2025 14:54:12 |
| Valid to | 8 December 2025 14:22:16 |
| DOI | https://doi.org/10.48597/TMXB-U5XB |
|---|---|
| Start time | 1 January 2021 |
| Stop time | 16 December 2022 |
| Valid from | 16 November 2023 13:17:13 |
| Valid to | 27 January 2025 14:54:12 |
| DOI | https://doi.org/10.48597/MVPC-K5UD |
|---|---|
| Start time | 1 January 2021 |
| Stop time | 27 December 2021 |
| Valid from | 20 October 2022 10:55:50 |
| Valid to | 16 November 2023 13:17:13 |