1 January 2011 - 1 January 2024
| DOI | https://doi.org/10.48597/D6CK-3BH5 |
|---|---|
| Start time | 1 January 2011 |
| Stop time | 1 January 2024 |
| Valid since | 22 April 2025 13:13:55 |
| DOI | https://doi.org/10.48597/D6CK-3BH5 |
|---|---|
| Start time | 1 January 2011 |
| Stop time | 1 January 2024 |
| Valid since | 22 April 2025 13:13:55 |
| DOI | https://doi.org/10.48597/PV2K-K6RG |
|---|---|
| Start time | 1 January 2011 |
| Stop time | 1 January 2023 |
| Valid from | 26 February 2024 14:58:14 |
| Valid to | 22 April 2025 13:13:55 |
| DOI | https://doi.org/10.48597/BEDU-36CZ |
|---|---|
| Start time | 1 January 2011 |
| Stop time | 1 January 2022 |
| Valid from | 10 March 2023 10:25:38 |
| Valid to | 26 February 2024 14:58:14 |
| DOI | https://doi.org/10.48597/MS34-Z7N5 |
|---|---|
| Start time | 1 January 2011 |
| Stop time | 1 January 2021 |
| Valid from | 12 November 2021 09:47:56 |
| Valid to | 10 March 2023 10:25:38 |
| DOI | https://doi.org/10.48597/HB9E-J8B6 |
|---|---|
| Start time | 1 January 2011 |
| Stop time | 1 January 2020 |
| Valid from | 26 January 2021 14:58:21 |
| Valid to | 12 November 2021 09:47:56 |
| DOI | https://doi.org/10.48597/GEAW-7BR9 |
|---|---|
| Start time | 1 January 2011 |
| Stop time | 1 January 2019 |
| Valid from | 24 July 2020 09:53:14 |
| Valid to | 26 January 2021 14:58:21 |
| DOI | https://doi.org/10.48597/AR8T-N2N6 |
|---|---|
| Start time | 1 January 2011 |
| Stop time | 1 January 2013 |
| Valid from | 1 May 2014 00:00:00 |
| Valid to | 24 July 2020 09:53:14 |