| article html file updated | 31 August 2025 22:34 CEST | Update | https://www.mdpi.com/2223-7747/9/6/715 |
| article html file updated | 21 July 2022 06:58 CEST | Update | - |
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| article pdf uploaded. | 17 June 2020 14:59 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/6/715/pdf |
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