| article html file updated | 31 August 2025 03:13 CEST | Update | https://www.mdpi.com/1996-1073/12/20/3993 |
| article html file updated | 21 August 2025 22:59 CEST | Update | - |
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| article pdf uploaded. | 23 October 2019 04:22 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/20/3993/pdf |
| article xml uploaded. | 23 October 2019 04:22 CEST | Update | https://www.mdpi.com/1996-1073/12/20/3993/xml |
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| article pdf uploaded. | 20 October 2019 12:15 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/20/3993/pdf-vor |
| article xml file uploaded | 20 October 2019 12:15 CEST | Original file | - |
