| article html file updated | 31 August 2025 11:32 CEST | Update | https://www.mdpi.com/2223-7747/9/2/241 |
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| article html file updated | 6 March 2020 09:23 CET | Update | - |
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| article pdf uploaded. | 1 March 2020 05:31 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/241/pdf |
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| article pdf uploaded. | 13 February 2020 12:44 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/241/pdf-vor |
| article xml file uploaded | 13 February 2020 12:44 CET | Original file | - |
