| article html file updated | 16 August 2026 05:45 CEST | Update | https://www.mdpi.com/2409-9287/4/3/41 |
| article html file updated | 30 August 2025 22:51 CEST | Update | N/A |
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| article pdf uploaded. | 23 July 2019 07:59 CEST | Version of Record | https://www.mdpi.com/2409-9287/4/3/41/pdf |
| article xml uploaded. | 23 July 2019 07:59 CEST | Update | https://www.mdpi.com/2409-9287/4/3/41/xml |
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