| article html file updated | 7 September 2025 09:39 CEST | Update | https://www.mdpi.com/2218-1997/8/1/2 |
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| article pdf uploaded. | 21 December 2021 16:23 CET | Version of Record | https://www.mdpi.com/2218-1997/8/1/2/pdf-vor |
