DOI | https://doi.org/10.48597/97EN-GPKW |
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Start time | 1 January 2014 |
Stop time | 1 January 2015 |
DOI | https://doi.org/10.48597/56WN-5U8X |
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Start time | 1 January 2013 |
Stop time | 1 January 2014 |
DOI | https://doi.org/10.48597/2TKJ-ZC6H |
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Start time | 1 January 2012 |
Stop time | 1 January 2013 |