| article html file updated | 15 August 2026 14:39 CEST | Update | https://www.mdpi.com/1996-1944/12/2/253 |
| article html file updated | 24 December 2025 14:35 CET | Update | N/A |
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| article html file updated | 14 January 2019 11:48 CET | Original file | N/A |
| article pdf uploaded. | 14 January 2019 11:45 CET | Version of Record | https://www.mdpi.com/1996-1944/12/2/253/pdf |
| article xml uploaded. | 14 January 2019 11:45 CET | Update | https://www.mdpi.com/1996-1944/12/2/253/xml |
| article xml file uploaded | 14 January 2019 11:45 CET | Original file | N/A |
