| article html file updated | 30 August 2025 13:01 CEST | Update | https://www.mdpi.com/1996-1944/12/6/869 |
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| article pdf uploaded. | 15 March 2019 07:15 CET | Version of Record | https://www.mdpi.com/1996-1944/12/6/869/pdf |
| article xml uploaded. | 15 March 2019 07:15 CET | Update | https://www.mdpi.com/1996-1944/12/6/869/xml |
| article xml file uploaded | 15 March 2019 07:14 CET | Original file | - |
