| article html file updated | 31 August 2025 03:20 CEST | Update | https://www.mdpi.com/2223-7747/8/11/438 |
| article html file updated | 20 July 2022 01:06 CEST | Update | - |
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| article pdf uploaded. | 23 October 2019 11:45 CEST | Version of Record | https://www.mdpi.com/2223-7747/8/11/438/pdf |
| article xml uploaded. | 23 October 2019 11:45 CEST | Update | https://www.mdpi.com/2223-7747/8/11/438/xml |
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