| article html file updated | 18 August 2026 05:54 CEST | Update | https://www.mdpi.com/2071-1050/12/20/8661 |
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| article pdf uploaded. | 22 October 2020 07:05 CEST | Updated version of record | https://www.mdpi.com/2071-1050/12/20/8661/pdf |
| article xml uploaded. | 22 October 2020 07:05 CEST | Update | https://www.mdpi.com/2071-1050/12/20/8661/xml |
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| article pdf uploaded. | 19 October 2020 14:03 CEST | Version of Record | https://www.mdpi.com/2071-1050/12/20/8661/pdf-vor |
