| article html file updated | 31 August 2025 10:00 CEST | Update | https://www.mdpi.com/2073-4409/9/2/300 |
| article html file updated | 20 July 2022 18:32 CEST | Update | - |
| article html file updated | 6 March 2020 08:11 CET | Update | - |
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| article pdf uploaded. | 26 January 2020 13:37 CET | Version of Record | https://www.mdpi.com/2073-4409/9/2/300/pdf |
| article xml uploaded. | 26 January 2020 13:37 CET | Update | https://www.mdpi.com/2073-4409/9/2/300/xml |
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