| article html file updated | 30 August 2025 13:13 CEST | Update | https://www.mdpi.com/2071-1050/11/6/1711 |
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| article pdf uploaded. | 21 March 2019 08:50 CET | Version of Record | https://www.mdpi.com/2071-1050/11/6/1711/pdf |
| article xml uploaded. | 21 March 2019 08:50 CET | Update | https://www.mdpi.com/2071-1050/11/6/1711/xml |
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