| article html file updated | 18 August 2026 06:16 CEST | Update | https://www.mdpi.com/2071-1050/12/21/8757 |
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| article pdf uploaded. | 2 November 2020 10:48 CET | Updated version of record | https://www.mdpi.com/2071-1050/12/21/8757/pdf |
| article xml uploaded. | 2 November 2020 10:48 CET | Update | https://www.mdpi.com/2071-1050/12/21/8757/xml |
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| article pdf uploaded. | 22 October 2020 10:33 CEST | Version of Record | https://www.mdpi.com/2071-1050/12/21/8757/pdf-vor |
