| article html file updated | 16 August 2026 20:08 CEST | Update | https://www.mdpi.com/2071-1050/11/23/6870 |
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| article html file updated | 3 December 2019 12:45 CET | Original file | N/A |
| article pdf uploaded. | 3 December 2019 12:44 CET | Version of Record | https://www.mdpi.com/2071-1050/11/23/6870/pdf |
| article xml uploaded. | 3 December 2019 12:44 CET | Update | https://www.mdpi.com/2071-1050/11/23/6870/xml |
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