| article html file updated | 1 September 2025 17:27 CEST | Update | https://www.mdpi.com/2072-6651/13/1/20 |
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| article pdf uploaded. | 31 December 2020 11:45 CET | Updated version of record | https://www.mdpi.com/2072-6651/13/1/20/pdf |
| article xml uploaded. | 31 December 2020 11:45 CET | Update | https://www.mdpi.com/2072-6651/13/1/20/xml |
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| article html file updated | 31 December 2020 09:55 CET | Original file | - |
| article pdf uploaded. | 31 December 2020 09:54 CET | Version of Record | - |
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