| article html file updated | 31 August 2025 09:33 CEST | Update | https://www.mdpi.com/2409-515X/6/1/4 |
| article html file updated | 20 July 2022 18:05 CEST | Update | - |
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| article pdf uploaded. | 14 March 2020 02:25 CET | Updated version of record | https://www.mdpi.com/2409-515X/6/1/4/pdf |
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| article pdf uploaded. | 21 January 2020 11:18 CET | Version of Record | https://www.mdpi.com/2409-515X/6/1/4/pdf-vor |
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