| article html file updated | 16 August 2026 16:47 CEST | Update | https://www.mdpi.com/1996-1944/12/21/3506 |
| article html file updated | 31 August 2025 03:30 CEST | Update | N/A |
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| article html file updated | 25 October 2019 13:40 CEST | Original file | N/A |
| article pdf uploaded. | 25 October 2019 13:38 CEST | Version of Record | https://www.mdpi.com/1996-1944/12/21/3506/pdf |
| article xml uploaded. | 25 October 2019 13:38 CEST | Update | https://www.mdpi.com/1996-1944/12/21/3506/xml |
| article xml file uploaded | 25 October 2019 13:38 CEST | Original file | N/A |
