| article html file updated | 31 August 2025 07:38 CEST | Update | https://www.mdpi.com/2071-1050/12/1/251 |
| article html file updated | 19 July 2022 20:40 CEST | Update | - |
| article html file updated | 14 February 2020 22:14 CET | Update | - |
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| article pdf uploaded. | 31 December 2019 16:43 CET | Updated version of record | https://www.mdpi.com/2071-1050/12/1/251/pdf |
| article xml uploaded. | 31 December 2019 16:43 CET | Update | https://www.mdpi.com/2071-1050/12/1/251/xml |
| article xml file uploaded | 31 December 2019 16:43 CET | Update | - |
| article pdf uploaded. | 27 December 2019 17:00 CET | Version of Record | https://www.mdpi.com/2071-1050/12/1/251/pdf-vor |
| article xml file uploaded | 27 December 2019 17:00 CET | Original file | - |
