| article html file updated | 31 August 2025 14:45 CEST | Update | https://www.mdpi.com/2077-1312/8/3/209 |
| article html file updated | 20 July 2022 23:15 CEST | Update | - |
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| article pdf uploaded. | 18 March 2020 12:15 CET | Version of Record | https://www.mdpi.com/2077-1312/8/3/209/pdf |
| article xml uploaded. | 18 March 2020 12:15 CET | Update | https://www.mdpi.com/2077-1312/8/3/209/xml |
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