| article html file updated | 1 September 2025 12:05 CEST | Update | https://www.mdpi.com/2227-9040/8/4/106 |
| article html file updated | 22 July 2022 22:48 CEST | Update | - |
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| article pdf uploaded. | 4 November 2020 10:13 CET | Updated version of record | https://www.mdpi.com/2227-9040/8/4/106/pdf |
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