| article html file updated | 7 September 2025 06:52 CEST | Update | https://www.mdpi.com/2218-1997/7/12/467 |
| article html file updated | 30 July 2022 19:45 CEST | Update | - |
| article html file updated | 2 December 2021 10:11 CET | Update | - |
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| article xml uploaded. | 1 December 2021 09:13 CET | Update | https://www.mdpi.com/2218-1997/7/12/467/xml |
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| article pdf uploaded. | 30 November 2021 14:20 CET | Version of Record | https://www.mdpi.com/2218-1997/7/12/467/pdf-vor |
