| article html file updated | 2 September 2025 02:38 CEST | Update | https://www.mdpi.com/2223-7747/10/4/689 |
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| article pdf uploaded. | 6 April 2021 09:53 CEST | Updated version of record | https://www.mdpi.com/2223-7747/10/4/689/pdf |
| article xml uploaded. | 6 April 2021 09:53 CEST | Update | https://www.mdpi.com/2223-7747/10/4/689/xml |
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| article pdf uploaded. | 2 April 2021 16:00 CEST | Version of Record | https://www.mdpi.com/2223-7747/10/4/689/pdf-vor |
