| article html file updated | 31 August 2025 21:54 CEST | Update | https://www.mdpi.com/2223-7747/9/6/687 |
| article html file updated | 21 July 2022 06:19 CEST | Update | - |
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| article pdf uploaded. | 28 May 2020 15:43 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/6/687/pdf-vor |
