| article html file updated | 30 August 2025 13:39 CEST | Update | https://www.mdpi.com/2071-1050/11/7/1993 |
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| article pdf uploaded. | 3 April 2019 14:39 CEST | Version of Record | https://www.mdpi.com/2071-1050/11/7/1993/pdf |
| article xml uploaded. | 3 April 2019 14:39 CEST | Update | https://www.mdpi.com/2071-1050/11/7/1993/xml |
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