| article html file updated | 30 August 2025 10:34 CEST | Update | https://www.mdpi.com/1996-1944/12/1/139 |
| article html file updated | 17 July 2022 20:37 CEST | Update | - |
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| article html file updated | 3 January 2019 11:43 CET | Original file | - |
| article pdf uploaded. | 3 January 2019 11:42 CET | Version of Record | https://www.mdpi.com/1996-1944/12/1/139/pdf |
| article xml uploaded. | 3 January 2019 11:42 CET | Update | https://www.mdpi.com/1996-1944/12/1/139/xml |
| article xml file uploaded | 3 January 2019 11:42 CET | Original file | - |
