| article html file updated | 31 August 2025 08:45 CEST | Update | https://www.mdpi.com/2223-7747/9/1/92 |
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| article pdf uploaded. | 11 January 2020 08:11 CET | Version of Record | https://www.mdpi.com/2223-7747/9/1/92/pdf |
| article xml uploaded. | 11 January 2020 08:11 CET | Update | https://www.mdpi.com/2223-7747/9/1/92/xml |
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