| article html file updated | 19 August 2026 00:00 CEST | Update | https://www.mdpi.com/2225-1154/9/2/38 |
| article html file updated | 25 December 2025 04:36 CET | Update | N/A |
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| article html file updated | 23 February 2021 14:54 CET | Original file | N/A |
| article pdf uploaded. | 23 February 2021 14:52 CET | Version of Record | https://www.mdpi.com/2225-1154/9/2/38/pdf |
| article xml uploaded. | 23 February 2021 14:52 CET | Update | https://www.mdpi.com/2225-1154/9/2/38/xml |
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