| article html file updated | 30 August 2025 13:00 CEST | Update | https://www.mdpi.com/2071-1050/11/6/1570 |
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| article pdf uploaded. | 14 March 2019 18:33 CET | Version of Record | https://www.mdpi.com/2071-1050/11/6/1570/pdf |
| article xml uploaded. | 14 March 2019 18:33 CET | Update | https://www.mdpi.com/2071-1050/11/6/1570/xml |
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