| article html file updated | 1 September 2025 17:54 CEST | Update | https://www.mdpi.com/1996-1073/14/2/273 |
| article html file updated | 23 July 2022 11:11 CEST | Update | - |
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| article pdf uploaded. | 8 January 2021 07:54 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/2/273/pdf |
| article xml uploaded. | 8 January 2021 07:54 CET | Update | https://www.mdpi.com/1996-1073/14/2/273/xml |
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| article pdf uploaded. | 6 January 2021 12:46 CET | Version of Record | https://www.mdpi.com/1996-1073/14/2/273/pdf-vor |
