| article html file updated | 1 September 2025 20:58 CEST | Update | https://www.mdpi.com/2077-1312/9/2/168 |
| article html file updated | 24 July 2022 18:09 CEST | Update | - |
| article html file updated | 6 February 2021 14:58 CET | Original file | - |
| article pdf uploaded. | 6 February 2021 14:56 CET | Version of Record | https://www.mdpi.com/2077-1312/9/2/168/pdf |
| article xml uploaded. | 6 February 2021 14:56 CET | Update | https://www.mdpi.com/2077-1312/9/2/168/xml |
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