| article html file updated | 30 August 2025 23:24 CEST | Update | https://www.mdpi.com/2071-1050/11/15/4177 |
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| article pdf uploaded. | 2 August 2019 10:49 CEST | Version of Record | https://www.mdpi.com/2071-1050/11/15/4177/pdf |
| article xml uploaded. | 2 August 2019 10:49 CEST | Update | https://www.mdpi.com/2071-1050/11/15/4177/xml |
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