| article html file updated | 31 August 2025 03:21 CEST | Update | https://www.mdpi.com/2218-273X/9/11/640 |
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| article pdf uploaded. | 29 October 2019 08:32 CET | Updated version of record | https://www.mdpi.com/2218-273X/9/11/640/pdf |
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| article xml file uploaded | 29 October 2019 08:32 CET | Update | - |
| article pdf uploaded. | 23 October 2019 12:37 CEST | Version of Record | https://www.mdpi.com/2218-273X/9/11/640/pdf-vor |
| article xml file uploaded | 23 October 2019 12:36 CEST | Original file | - |
