| article html file updated | 31 August 2025 03:43 CEST | Update | https://www.mdpi.com/1996-1944/12/21/3556 |
| article html file updated | 21 August 2025 23:07 CEST | Update | - |
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| article html file updated | 30 October 2019 05:57 CET | Original file | - |
| article pdf uploaded. | 30 October 2019 05:55 CET | Version of Record | https://www.mdpi.com/1996-1944/12/21/3556/pdf |
| article xml uploaded. | 30 October 2019 05:55 CET | Update | https://www.mdpi.com/1996-1944/12/21/3556/xml |
| article xml file uploaded | 30 October 2019 05:55 CET | Original file | - |
