| article html file updated | 31 August 2025 11:47 CEST | Update | https://www.mdpi.com/2079-3200/8/1/7 |
| article html file updated | 20 July 2022 20:18 CEST | Update | - |
| article html file updated | 15 February 2020 11:43 CET | Original file | - |
| article pdf uploaded. | 15 February 2020 11:42 CET | Version of Record | https://www.mdpi.com/2079-3200/8/1/7/pdf |
| article xml uploaded. | 15 February 2020 11:42 CET | Update | https://www.mdpi.com/2079-3200/8/1/7/xml |
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