| article html file updated | 1 September 2025 17:22 CEST | Update | https://www.mdpi.com/2218-1989/11/1/19 |
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| article pdf uploaded. | 19 January 2021 10:32 CET | Updated version of record | https://www.mdpi.com/2218-1989/11/1/19/pdf-vor |
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| article html file updated | 31 December 2020 10:06 CET | Update | - |
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| article pdf uploaded. | 31 December 2020 02:35 CET | Updated version of record | https://www.mdpi.com/2218-1989/11/1/19/pdf-vor |
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| article pdf uploaded. | 30 December 2020 14:27 CET | Updated version of record | https://www.mdpi.com/2218-1989/11/1/19/pdf-vor |
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