| article html file updated | 30 July 2022 14:44 CEST | Update | https://www.mdpi.com/2227-7099/9/4/168 |
| article html file updated | 4 November 2021 05:05 CET | Update | - |
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| article pdf uploaded. | 4 November 2021 05:04 CET | Updated version of record | https://www.mdpi.com/2227-7099/9/4/168/pdf |
| article xml uploaded. | 4 November 2021 05:04 CET | Update | https://www.mdpi.com/2227-7099/9/4/168/xml |
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| article pdf uploaded. | 3 November 2021 13:59 CET | Version of Record | https://www.mdpi.com/2227-7099/9/4/168/pdf-vor |
