| article html file updated | 30 August 2025 10:38 CEST | Update | https://www.mdpi.com/1996-1073/12/1/171 |
| article html file updated | 17 July 2022 21:18 CEST | Update | - |
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| article pdf uploaded. | 5 January 2019 12:00 CET | Version of Record | https://www.mdpi.com/1996-1073/12/1/171/pdf |
| article xml uploaded. | 5 January 2019 12:00 CET | Update | https://www.mdpi.com/1996-1073/12/1/171/xml |
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