| article html file updated | 31 August 2025 15:55 CEST | Update | https://www.mdpi.com/2220-9964/9/4/212 |
| article html file updated | 21 July 2022 00:24 CEST | Update | - |
| article html file updated | 30 March 2020 15:21 CEST | Original file | - |
| article pdf uploaded. | 30 March 2020 15:20 CEST | Version of Record | https://www.mdpi.com/2220-9964/9/4/212/pdf |
| article xml uploaded. | 30 March 2020 15:20 CEST | Update | https://www.mdpi.com/2220-9964/9/4/212/xml |
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