| article html file updated | 31 August 2025 08:12 CEST | Update | https://www.mdpi.com/2079-7737/9/1/12 |
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| article pdf uploaded. | 4 January 2020 09:23 CET | Version of Record | https://www.mdpi.com/2079-7737/9/1/12/pdf |
| article xml uploaded. | 4 January 2020 09:23 CET | Update | https://www.mdpi.com/2079-7737/9/1/12/xml |
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