| article html file updated | 2 September 2025 02:12 CEST | Update | https://www.mdpi.com/2223-7747/10/4/661 |
| article html file updated | 25 July 2022 09:57 CEST | Update | - |
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| article pdf uploaded. | 31 March 2021 04:17 CEST | Updated version of record | https://www.mdpi.com/2223-7747/10/4/661/pdf |
| article xml uploaded. | 31 March 2021 04:17 CEST | Update | https://www.mdpi.com/2223-7747/10/4/661/xml |
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| article pdf uploaded. | 30 March 2021 14:35 CEST | Version of Record | https://www.mdpi.com/2223-7747/10/4/661/pdf-vor |
