| article html file updated | 31 August 2025 08:10 CEST | Update | https://www.mdpi.com/2077-1312/8/1/22 |
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| article pdf uploaded. | 22 January 2020 05:00 CET | Updated version of record | https://www.mdpi.com/2077-1312/8/1/22/pdf |
| article xml uploaded. | 22 January 2020 05:00 CET | Update | https://www.mdpi.com/2077-1312/8/1/22/xml |
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| article pdf uploaded. | 3 January 2020 15:35 CET | Version of Record | https://www.mdpi.com/2077-1312/8/1/22/pdf-vor |
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