| article html file updated | 24 December 2025 17:17 CET | Update | https://www.mdpi.com/2218-1989/10/2/52 |
| article html file updated | 31 August 2025 10:10 CEST | Update | - |
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| article html file updated | 29 February 2020 14:41 CET | Original file | - |
| article pdf uploaded. | 29 February 2020 14:40 CET | Updated version of record | https://www.mdpi.com/2218-1989/10/2/52/pdf |
| article xml uploaded. | 29 February 2020 14:40 CET | Update | https://www.mdpi.com/2218-1989/10/2/52/xml |
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| article pdf uploaded. | 29 January 2020 10:27 CET | Version of Record | https://www.mdpi.com/2218-1989/10/2/52/pdf-vor |
| article xml file uploaded | 29 January 2020 10:27 CET | Original file | - |
