1 January 2015 - 1 January 2020
| DOI | https://doi.org/10.48597/V3MN-G5X2 |
|---|---|
| Start time | 1 January 2015 |
| Stop time | 1 January 2020 |
| DOI | https://doi.org/10.48597/ZQ8F-RPKP |
|---|---|
| Start time | 1 January 2015 |
| Stop time | 1 January 2020 |
| DOI | https://doi.org/10.48597/JSY4-MY8G |
|---|---|
| Start time | 1 January 2015 |
| Stop time | 1 January 2019 |
| DOI | https://doi.org/10.48597/RT9J-HCRZ |
|---|---|
| Start time | 1 January 2015 |
| Stop time | 1 January 2018 |
| DOI | https://doi.org/10.48597/VCEP-CQWD |
|---|---|
| Start time | 1 January 2015 |
| Stop time | 1 January 2018 |
| DOI | https://doi.org/10.48597/ED55-RUUT |
|---|---|
| Start time | 1 January 2015 |
| Stop time | 1 January 2018 |
| DOI | https://doi.org/10.48597/5UR9-VPE4 |
|---|---|
| Start time | 1 January 2015 |
| Stop time | 1 January 2017 |
| DOI | https://doi.org/10.48597/JBVV-WSSM |
|---|---|
| Start time | 1 January 2015 |
| Stop time | 1 January 2017 |
| DOI | https://doi.org/10.48597/EJQ4-Y486 |
|---|---|
| Start time | 1 January 2015 |
| Stop time | 1 January 2016 |