| article html file updated | 7 September 2025 08:37 CEST | Update | https://www.mdpi.com/2199-8531/7/4/244 |
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| article pdf uploaded. | 21 December 2021 08:01 CET | Updated version of record | https://www.mdpi.com/2199-8531/7/4/244/pdf |
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| article pdf uploaded. | 21 December 2021 07:02 CET | Updated version of record | https://www.mdpi.com/2199-8531/7/4/244/pdf-vor |
| article xml uploaded. | 21 December 2021 07:02 CET | Update | - |
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