| article html file updated | 30 August 2025 11:14 CEST | Update | https://www.mdpi.com/1996-1944/12/2/307 |
| article html file updated | 20 July 2022 16:53 CEST | Update | - |
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| article xml uploaded. | 18 January 2019 18:00 CET | Update | https://www.mdpi.com/1996-1944/12/2/307/xml |
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| article xml uploaded. | 18 January 2019 18:00 CET | Original file | - |
| article pdf uploaded. | 18 January 2019 18:00 CET | Version of Record | https://www.mdpi.com/1996-1944/12/2/307/pdf |
