| article html file updated | 1 September 2025 18:42 CEST | Update | https://www.mdpi.com/2227-7390/9/2/168 |
| article html file updated | 23 July 2022 16:45 CEST | Update | - |
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| article pdf uploaded. | 15 January 2021 14:51 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/2/168/pdf |
| article xml uploaded. | 15 January 2021 14:51 CET | Update | https://www.mdpi.com/2227-7390/9/2/168/xml |
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| article html file updated | 15 January 2021 09:07 CET | Original file | - |
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