| article html file updated | 15 August 2026 07:03 CEST | Update | https://www.mdpi.com/1996-1944/11/9/1640 |
| article html file updated | 30 August 2025 06:43 CEST | Update | N/A |
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| article html file updated | 7 September 2018 03:44 CEST | Original file | N/A |
| article pdf uploaded. | 7 September 2018 03:43 CEST | Version of Record | https://www.mdpi.com/1996-1944/11/9/1640/pdf |
| article xml uploaded. | 7 September 2018 03:43 CEST | Update | https://www.mdpi.com/1996-1944/11/9/1640/xml |
| article xml file uploaded | 7 September 2018 03:43 CEST | Original file | N/A |
