| article html file updated | 2 September 2025 09:36 CEST | Update | https://www.mdpi.com/2077-1312/9/6/609 |
| article html file updated | 26 July 2022 22:28 CEST | Update | - |
| article html file updated | 4 June 2021 09:59 CEST | Update | - |
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| article xml uploaded. | 3 June 2021 10:34 CEST | Update | https://www.mdpi.com/2077-1312/9/6/609/xml |
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| article pdf uploaded. | 1 June 2021 13:50 CEST | Version of Record | https://www.mdpi.com/2077-1312/9/6/609/pdf-vor |
