| article html file updated | 17 August 2026 10:26 CEST | Update | https://www.mdpi.com/1996-1073/13/9/2138 |
| article html file updated | 31 August 2025 18:55 CEST | Update | N/A |
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| article html file updated | 29 April 2020 12:09 CEST | Original file | N/A |
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| article xml uploaded. | 29 April 2020 12:08 CEST | Update | https://www.mdpi.com/1996-1073/13/9/2138/xml |
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