| article html file updated | 27 July 2022 02:04 CEST | Update | https://www.mdpi.com/1718-7729/28/4/219 |
| article html file updated | 8 July 2021 03:35 CEST | Update | - |
| article pdf uploaded. | 8 July 2021 03:34 CEST | Updated version of record | https://www.mdpi.com/1718-7729/28/4/219/pdf |
| article xml uploaded. | 8 July 2021 03:34 CEST | Update | https://www.mdpi.com/1718-7729/28/4/219/xml |
| article xml file uploaded | 8 July 2021 03:34 CEST | Update | - |
| article html file updated | 30 June 2021 04:01 CEST | Original file | - |
| article pdf uploaded. | 30 June 2021 04:00 CEST | Updated version of record | https://www.mdpi.com/1718-7729/28/4/219/pdf-vor |
| article xml file uploaded | 30 June 2021 04:00 CEST | Original file | - |
| article pdf uploaded. | 25 June 2021 18:36 CEST | Version of Record | https://www.mdpi.com/1718-7729/28/4/219/pdf-vor |
