| article html file updated | 31 August 2025 02:33 CEST | Update | https://www.mdpi.com/2223-7747/8/10/400 |
| article html file updated | 21 August 2025 22:49 CEST | Update | - |
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| article html file updated | 30 October 2019 22:50 CET | Update | - |
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| article pdf uploaded. | 21 October 2019 12:48 CEST | Updated version of record | https://www.mdpi.com/2223-7747/8/10/400/pdf |
| article xml uploaded. | 21 October 2019 12:48 CEST | Update | https://www.mdpi.com/2223-7747/8/10/400/xml |
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| article pdf uploaded. | 8 October 2019 16:18 CEST | Version of Record | https://www.mdpi.com/2223-7747/8/10/400/pdf-vor |
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