| article html file updated | 31 August 2025 11:40 CEST | Update | https://www.mdpi.com/1996-1073/13/4/831 |
| article html file updated | 20 July 2022 20:11 CEST | Update | - |
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| article html file updated | 14 February 2020 12:28 CET | Original file | - |
| article pdf uploaded. | 14 February 2020 12:27 CET | Version of Record | https://www.mdpi.com/1996-1073/13/4/831/pdf |
| article xml uploaded. | 14 February 2020 12:27 CET | Update | https://www.mdpi.com/1996-1073/13/4/831/xml |
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