| article html file updated | 31 August 2025 15:42 CEST | Update | https://www.mdpi.com/2220-9964/9/4/199 |
| article html file updated | 21 July 2022 00:11 CEST | Update | - |
| article html file updated | 27 March 2020 14:23 CET | Original file | - |
| article pdf uploaded. | 27 March 2020 14:22 CET | Version of Record | https://www.mdpi.com/2220-9964/9/4/199/pdf |
| article xml uploaded. | 27 March 2020 14:22 CET | Update | https://www.mdpi.com/2220-9964/9/4/199/xml |
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