| article html file updated | 7 September 2025 03:38 CEST | Update | https://www.mdpi.com/2311-553X/7/4/68 |
| article html file updated | 30 July 2022 12:59 CEST | Update | - |
| article html file updated | 26 October 2021 05:39 CEST | Original file | - |
| article pdf uploaded. | 26 October 2021 05:37 CEST | Version of Record | https://www.mdpi.com/2311-553X/7/4/68/pdf |
| article xml uploaded. | 26 October 2021 05:37 CEST | Update | https://www.mdpi.com/2311-553X/7/4/68/xml |
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