| article html file updated | 31 August 2025 16:47 CEST | Update | https://www.mdpi.com/2226-4310/7/4/40 |
| article html file updated | 21 July 2022 01:16 CEST | Update | - |
| article html file updated | 8 April 2020 12:10 CEST | Original file | - |
| article pdf uploaded. | 8 April 2020 12:08 CEST | Version of Record | https://www.mdpi.com/2226-4310/7/4/40/pdf |
| article xml uploaded. | 8 April 2020 12:08 CEST | Update | https://www.mdpi.com/2226-4310/7/4/40/xml |
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