| article html file updated | 31 August 2025 04:44 CEST | Update | https://www.mdpi.com/2223-7747/8/11/512 |
| article html file updated | 19 July 2022 23:33 CEST | Update | - |
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| article pdf uploaded. | 21 November 2019 12:14 CET | Updated version of record | https://www.mdpi.com/2223-7747/8/11/512/pdf |
| article xml uploaded. | 21 November 2019 12:14 CET | Update | https://www.mdpi.com/2223-7747/8/11/512/xml |
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| article pdf uploaded. | 16 November 2019 11:43 CET | Version of Record | https://www.mdpi.com/2223-7747/8/11/512/pdf-vor |
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