| article html file updated | 26 December 2025 13:37 CET | Update | https://www.mdpi.com/2226-4310/9/1/2 |
| article html file updated | 7 September 2025 09:34 CEST | Update | - |
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| article pdf uploaded. | 22 December 2021 02:32 CET | Updated version of record | https://www.mdpi.com/2226-4310/9/1/2/pdf |
| article xml uploaded. | 22 December 2021 02:32 CET | Update | https://www.mdpi.com/2226-4310/9/1/2/xml |
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| article html file updated | 21 December 2021 12:15 CET | Original file | - |
| article pdf uploaded. | 21 December 2021 12:14 CET | Version of Record | https://www.mdpi.com/2226-4310/9/1/2/pdf-vor |
| article xml uploaded. | 21 December 2021 12:14 CET | Update | - |
| article xml file uploaded | 21 December 2021 12:14 CET | Original file | - |
