| article html file updated | 31 August 2025 05:47 CEST | Update | https://www.mdpi.com/2071-1050/11/24/6921 |
| article html file updated | 19 July 2022 22:27 CEST | Update | - |
| article html file updated | 14 February 2020 16:02 CET | Update | - |
| article html file updated | 31 December 2019 04:50 CET | Update | - |
| article html file updated | 5 December 2019 08:26 CET | Original file | - |
| article pdf uploaded. | 5 December 2019 08:24 CET | Version of Record | https://www.mdpi.com/2071-1050/11/24/6921/pdf |
| article xml uploaded. | 5 December 2019 08:24 CET | Update | https://www.mdpi.com/2071-1050/11/24/6921/xml |
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