| article html file updated | 31 August 2025 05:30 CEST | Update | https://www.mdpi.com/1996-1073/12/23/4581 |
| article html file updated | 19 July 2022 22:44 CEST | Update | - |
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| article pdf uploaded. | 4 December 2019 11:08 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/23/4581/pdf |
| article xml uploaded. | 4 December 2019 11:08 CET | Update | https://www.mdpi.com/1996-1073/12/23/4581/xml |
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| article pdf uploaded. | 1 December 2019 12:38 CET | Version of Record | https://www.mdpi.com/1996-1073/12/23/4581/pdf-vor |
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