| article html file updated | 31 August 2025 01:35 CEST | Update | https://www.mdpi.com/2072-666X/10/9/621 |
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| article pdf uploaded. | 17 September 2019 17:34 CEST | Version of Record | https://www.mdpi.com/2072-666X/10/9/621/pdf |
| article xml uploaded. | 17 September 2019 17:34 CEST | Update | https://www.mdpi.com/2072-666X/10/9/621/xml |
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