| article html file updated | 30 July 2022 18:15 CEST | Update | https://www.mdpi.com/2221-3759/9/4/52 |
| article html file updated | 23 November 2021 13:05 CET | Original file | - |
| article pdf uploaded. | 23 November 2021 13:03 CET | Version of Record | https://www.mdpi.com/2221-3759/9/4/52/pdf |
| article xml uploaded. | 23 November 2021 13:03 CET | Update | https://www.mdpi.com/2221-3759/9/4/52/xml |
| article xml file uploaded | 23 November 2021 13:03 CET | Original file | - |
