| article html file updated | 1 September 2025 18:10 CEST | Update | https://www.mdpi.com/2227-7390/9/2/131 |
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| article html file updated | 20 January 2021 06:33 CET | Update | - |
| article pdf uploaded. | 20 January 2021 06:31 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/2/131/pdf |
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| article html file updated | 13 January 2021 07:44 CET | Original file | - |
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| article xml uploaded. | 13 January 2021 07:43 CET | Update | - |
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| article pdf uploaded. | 9 January 2021 06:41 CET | Version of Record | https://www.mdpi.com/2227-7390/9/2/131/pdf-vor |
