| article html file updated | 30 August 2025 05:55 CEST | Update | https://www.mdpi.com/2071-1050/10/8/2814 |
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| article pdf uploaded. | 9 August 2018 05:23 CEST | Updated version of record | https://www.mdpi.com/2071-1050/10/8/2814/pdf |
| article xml uploaded. | 9 August 2018 05:23 CEST | Update | https://www.mdpi.com/2071-1050/10/8/2814/xml |
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| article pdf uploaded. | 8 August 2018 15:45 CEST | Version of Record | https://www.mdpi.com/2071-1050/10/8/2814/pdf-vor |
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