| article html file updated | 18 August 2026 17:56 CEST | Update | https://www.mdpi.com/2227-7390/9/2/169 |
| article html file updated | 25 December 2025 02:02 CET | Update | N/A |
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| article pdf uploaded. | 18 January 2021 08:41 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/2/169/pdf |
| article xml uploaded. | 18 January 2021 08:41 CET | Update | https://www.mdpi.com/2227-7390/9/2/169/xml |
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| article html file updated | 16 January 2021 05:19 CET | Original file | N/A |
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| article xml uploaded. | 16 January 2021 05:17 CET | Update | N/A |
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