| article html file updated | 18 August 2026 17:42 CEST | Update | https://www.mdpi.com/1996-1073/14/2/420 |
| article html file updated | 1 September 2025 18:34 CEST | Update | N/A |
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| article html file updated | 14 January 2021 09:43 CET | Original file | N/A |
| article pdf uploaded. | 14 January 2021 09:41 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/2/420/pdf |
| article xml uploaded. | 14 January 2021 09:41 CET | Update | https://www.mdpi.com/1996-1073/14/2/420/xml |
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| article pdf uploaded. | 13 January 2021 17:29 CET | Version of Record | https://www.mdpi.com/1996-1073/14/2/420/pdf-vor |