| article html file updated | 1 September 2025 22:35 CEST | Update | https://www.mdpi.com/2223-7747/10/2/420 |
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| article pdf uploaded. | 26 February 2021 02:30 CET | Updated version of record | https://www.mdpi.com/2223-7747/10/2/420/pdf |
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| article pdf uploaded. | 24 February 2021 18:52 CET | Updated version of record | https://www.mdpi.com/2223-7747/10/2/420/pdf-vor |
| article pdf uploaded. | 23 February 2021 18:20 CET | Version of Record | https://www.mdpi.com/2223-7747/10/2/420/pdf-vor |
