| article html file updated | 19 August 2026 06:00 CEST | Update | https://www.mdpi.com/2072-6694/13/7/1668 |
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| article pdf uploaded. | 2 April 2021 03:24 CEST | Updated version of record | https://www.mdpi.com/2072-6694/13/7/1668/pdf |
| article xml uploaded. | 2 April 2021 03:24 CEST | Update | https://www.mdpi.com/2072-6694/13/7/1668/xml |
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| article pdf uploaded. | 1 April 2021 16:23 CEST | Version of Record | https://www.mdpi.com/2072-6694/13/7/1668/pdf-vor |
