| article html file updated | 26 December 2025 03:32 CET | Update | https://www.mdpi.com/2079-9721/9/4/72 |
| article html file updated | 7 September 2025 02:55 CEST | Update | N/A |
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| article pdf uploaded. | 15 October 2021 12:07 CEST | Updated version of record | https://www.mdpi.com/2079-9721/9/4/72/pdf |
| article xml uploaded. | 15 October 2021 12:07 CEST | Update | https://www.mdpi.com/2079-9721/9/4/72/xml |
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| article html file updated | 15 October 2021 11:49 CEST | Original file | N/A |
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