| article html file updated | 30 August 2025 14:20 CEST | Update | https://www.mdpi.com/2071-1050/11/8/2440 |
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| article pdf uploaded. | 25 April 2019 06:24 CEST | Version of Record | https://www.mdpi.com/2071-1050/11/8/2440/pdf |
| article xml uploaded. | 25 April 2019 06:24 CEST | Update | https://www.mdpi.com/2071-1050/11/8/2440/xml |
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