| article html file updated | 31 August 2025 19:13 CEST | Update | https://www.mdpi.com/2218-1997/6/5/64 |
| article html file updated | 21 July 2022 03:39 CEST | Update | - |
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| article pdf uploaded. | 1 May 2020 14:50 CEST | Version of Record | https://www.mdpi.com/2218-1997/6/5/64/pdf-vor |
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