| article html file updated | 31 August 2025 00:24 CEST | Update | https://www.mdpi.com/2223-7747/8/9/300 |
| article html file updated | 20 July 2022 04:40 CEST | Update | - |
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| article pdf uploaded. | 24 August 2019 08:31 CEST | Version of Record | https://www.mdpi.com/2223-7747/8/9/300/pdf |
| article xml uploaded. | 24 August 2019 08:31 CEST | Update | https://www.mdpi.com/2223-7747/8/9/300/xml |
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