| article html file updated | 31 August 2025 09:24 CEST | Update | https://new.mdpi.com/2223-7747/9/1/126 |
| article html file updated | 20 July 2022 17:56 CEST | Update | - |
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| article pdf uploaded. | 23 January 2020 10:01 CET | Updated version of record | https://new.mdpi.com/2223-7747/9/1/126/pdf |
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| article pdf uploaded. | 19 January 2020 09:59 CET | Version of Record | https://new.mdpi.com/2223-7747/9/1/126/pdf-vor |
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