| article html file updated | 25 December 2025 03:13 CET | Update | https://www.mdpi.com/2076-3921/10/2/209 |
| article html file updated | 1 September 2025 20:20 CEST | Update | N/A |
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| article pdf uploaded. | 2 February 2021 06:26 CET | Updated version of record | https://www.mdpi.com/2076-3921/10/2/209/pdf |
| article xml uploaded. | 2 February 2021 06:26 CET | Update | https://www.mdpi.com/2076-3921/10/2/209/xml |
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| article xml uploaded. | 1 February 2021 10:27 CET | Update | N/A |
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