| article html file updated | 1 September 2025 20:50 CEST | Update | https://www.mdpi.com/2077-1312/9/2/157 |
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| article html file updated | 8 February 2021 10:04 CET | Update | - |
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| article pdf uploaded. | 7 February 2021 10:20 CET | Updated version of record | https://www.mdpi.com/2077-1312/9/2/157/pdf |
| article xml uploaded. | 7 February 2021 10:20 CET | Update | https://www.mdpi.com/2077-1312/9/2/157/xml |
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| article pdf uploaded. | 5 February 2021 12:38 CET | Updated version of record | https://www.mdpi.com/2077-1312/9/2/157/pdf-vor |
| article pdf uploaded. | 5 February 2021 12:20 CET | Version of Record | https://www.mdpi.com/2077-1312/9/2/157/pdf-vor |
