| article html file updated | 2 September 2025 02:55 CEST | Update | https://www.mdpi.com/2227-7099/9/2/51 |
| article html file updated | 25 July 2022 11:02 CEST | Update | - |
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| article pdf uploaded. | 7 April 2021 08:44 CEST | Version of Record | https://www.mdpi.com/2227-7099/9/2/51/pdf |
| article xml uploaded. | 7 April 2021 08:44 CEST | Update | https://www.mdpi.com/2227-7099/9/2/51/xml |
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