| article html file updated | 30 July 2022 11:39 CEST | Update | https://www.mdpi.com/2226-471X/6/4/171 |
| article html file updated | 18 October 2021 16:50 CEST | Original file | - |
| article pdf uploaded. | 18 October 2021 16:48 CEST | Version of Record | https://www.mdpi.com/2226-471X/6/4/171/pdf |
| article xml uploaded. | 18 October 2021 16:48 CEST | Update | https://www.mdpi.com/2226-471X/6/4/171/xml |
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