| article html file updated | 16 August 2026 20:09 CEST | Update | https://www.mdpi.com/1996-1944/12/23/4021 |
| article html file updated | 31 August 2025 05:38 CEST | Update | N/A |
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| article html file updated | 3 December 2019 14:17 CET | Original file | N/A |
| article pdf uploaded. | 3 December 2019 14:15 CET | Version of Record | https://www.mdpi.com/1996-1944/12/23/4021/pdf |
| article xml uploaded. | 3 December 2019 14:15 CET | Update | https://www.mdpi.com/1996-1944/12/23/4021/xml |
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