| article html file updated | 31 August 2025 06:13 CEST | Update | https://www.mdpi.com/1996-1944/12/24/4139 |
| article html file updated | 19 July 2022 22:01 CEST | Update | - |
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| article html file updated | 16 December 2019 09:31 CET | Original file | - |
| article pdf uploaded. | 16 December 2019 09:29 CET | Updated version of record | https://www.mdpi.com/1996-1944/12/24/4139/pdf |
| article xml uploaded. | 16 December 2019 09:29 CET | Update | https://www.mdpi.com/1996-1944/12/24/4139/xml |
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| article pdf uploaded. | 10 December 2019 14:45 CET | Version of Record | https://www.mdpi.com/1996-1944/12/24/4139/pdf-vor |
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