| article html file updated | 20 August 2026 08:58 CEST | Update | https://www.mdpi.com/2227-7102/11/9/531 |
| article html file updated | 25 December 2025 23:28 CET | Update | N/A |
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| article html file updated | 10 September 2021 11:30 CEST | Original file | N/A |
| article pdf uploaded. | 10 September 2021 11:29 CEST | Version of Record | https://www.mdpi.com/2227-7102/11/9/531/pdf |
| article xml uploaded. | 10 September 2021 11:29 CEST | Update | https://www.mdpi.com/2227-7102/11/9/531/xml |
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