| article html file updated | 31 August 2025 06:53 CEST | Update | https://www.mdpi.com/2072-6651/12/1/2 |
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| article pdf uploaded. | 23 December 2019 09:50 CET | Updated version of record | https://www.mdpi.com/2072-6651/12/1/2/pdf |
| article xml uploaded. | 23 December 2019 09:50 CET | Update | https://www.mdpi.com/2072-6651/12/1/2/xml |
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| article pdf uploaded. | 18 December 2019 14:38 CET | Version of Record | https://www.mdpi.com/2072-6651/12/1/2/pdf-vor |
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