| article html file updated | 16 August 2026 20:31 CEST | Update | https://www.mdpi.com/2412-382X/3/4/23 |
| article html file updated | 31 August 2025 05:56 CEST | Update | N/A |
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| article pdf uploaded. | 10 December 2019 10:13 CET | Updated version of record | https://www.mdpi.com/2412-382X/3/4/23/pdf |
| article xml uploaded. | 10 December 2019 10:13 CET | Update | https://www.mdpi.com/2412-382X/3/4/23/xml |
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| article pdf uploaded. | 6 December 2019 13:40 CET | Version of Record | https://www.mdpi.com/2412-382X/3/4/23/pdf-vor |
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