| article html file updated | 31 August 2025 00:16 CEST | Update | https://www.mdpi.com/2072-6643/11/9/1970 |
| article html file updated | 21 August 2025 22:11 CEST | Update | - |
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| article pdf uploaded. | 27 August 2019 08:16 CEST | Updated version of record | https://www.mdpi.com/2072-6643/11/9/1970/pdf |
| article xml uploaded. | 27 August 2019 08:16 CEST | Update | https://www.mdpi.com/2072-6643/11/9/1970/xml |
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| article pdf uploaded. | 21 August 2019 16:52 CEST | Version of Record | https://www.mdpi.com/2072-6643/11/9/1970/pdf-vor |
| article xml file uploaded | 21 August 2019 16:52 CEST | Original file | - |
