| article html file updated | 1 September 2025 19:22 CEST | Update | https://www.mdpi.com/2227-9067/8/2/74 |
| article html file updated | 23 July 2022 22:42 CEST | Update | - |
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| article pdf uploaded. | 22 January 2021 10:08 CET | Updated version of record | https://www.mdpi.com/2227-9067/8/2/74/pdf |
| article xml uploaded. | 22 January 2021 10:08 CET | Update | https://www.mdpi.com/2227-9067/8/2/74/xml |
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| article html file updated | 22 January 2021 07:20 CET | Original file | - |
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