| article html file updated | 30 August 2025 22:50 CEST | Update | https://www.mdpi.com/2227-9067/6/7/84 |
| article html file updated | 20 July 2022 06:35 CEST | Update | - |
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| article pdf uploaded. | 22 July 2019 14:18 CEST | Version of Record | https://www.mdpi.com/2227-9067/6/7/84/pdf |
| article xml uploaded. | 22 July 2019 14:18 CEST | Update | https://www.mdpi.com/2227-9067/6/7/84/xml |
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