| article html file updated | 31 August 2025 00:29 CEST | Update | https://www.mdpi.com/2072-6694/11/9/1247 |
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| article pdf uploaded. | 26 August 2019 12:00 CEST | Updated version of record | https://www.mdpi.com/2072-6694/11/9/1247/pdf |
| article xml file uploaded | 26 August 2019 12:00 CEST | Update | https://www.mdpi.com/2072-6694/11/9/1247/xml |
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