| article html file updated | 21 December 2021 09:31 CET | Original file | https://www.mdpi.com/2071-1050/14/1/9 |
| article pdf uploaded. | 21 December 2021 09:30 CET | Version of Record | https://www.mdpi.com/2071-1050/14/1/9/pdf |
| article xml uploaded. | 21 December 2021 09:30 CET | Update | https://www.mdpi.com/2071-1050/14/1/9/xml |
| article xml file uploaded | 21 December 2021 09:30 CET | Original file | N/A |
