| article html file updated | 23 October 2025 06:43 CEST | Update | https://www.mdpi.com/2218-1997/5/4/92 |
| article html file updated | 12 February 2020 05:28 CET | Update | - |
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| article pdf uploaded. | 15 April 2019 15:27 CEST | Version of Record | https://www.mdpi.com/2218-1997/5/4/92/pdf-vor |
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