| article html file updated | 30 August 2025 20:17 CEST | Update | https://www.mdpi.com/2413-8851/3/2/57 |
| article html file updated | 19 July 2022 19:07 CEST | Update | - |
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| article pdf uploaded. | 26 May 2019 08:09 CEST | Version of Record | https://www.mdpi.com/2413-8851/3/2/57/pdf |
| article xml uploaded. | 26 May 2019 08:09 CEST | Update | https://www.mdpi.com/2413-8851/3/2/57/xml |
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