| article html file updated | 31 August 2025 08:05 CEST | Update | https://www.mdpi.com/2304-6767/8/1/4 |
| article html file updated | 19 July 2022 20:14 CEST | Update | - |
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| article pdf uploaded. | 26 January 2020 13:18 CET | Updated version of record | https://www.mdpi.com/2304-6767/8/1/4/pdf |
| article xml uploaded. | 26 January 2020 13:18 CET | Update | https://www.mdpi.com/2304-6767/8/1/4/xml |
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| article pdf uploaded. | 2 January 2020 12:07 CET | Version of Record | https://www.mdpi.com/2304-6767/8/1/4/pdf-vor |
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