| article html file updated | 31 August 2025 03:39 CEST | Update | https://www.mdpi.com/2218-273X/9/11/663 |
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| article html file updated | 29 October 2019 06:42 CET | Original file | - |
| article pdf uploaded. | 29 October 2019 06:40 CET | Version of Record | https://www.mdpi.com/2218-273X/9/11/663/pdf |
| article xml uploaded. | 29 October 2019 06:40 CET | Update | https://www.mdpi.com/2218-273X/9/11/663/xml |
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