| article html file updated | 1 September 2025 21:01 CEST | Update | https://www.mdpi.com/1996-1073/14/4/868 |
| article html file updated | 24 July 2022 18:59 CEST | Update | - |
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| article html file updated | 8 February 2021 08:04 CET | Original file | - |
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| article xml uploaded. | 8 February 2021 08:03 CET | Update | - |
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| article pdf uploaded. | 7 February 2021 11:46 CET | Version of Record | https://www.mdpi.com/1996-1073/14/4/868/pdf-vor |
