| article html file updated | 1 September 2025 21:37 CEST | Update | https://www.mdpi.com/1996-1073/14/4/987 |
| article html file updated | 25 July 2022 03:23 CEST | Update | - |
| article html file updated | 22 February 2021 12:50 CET | Original file | - |
| article pdf uploaded. | 22 February 2021 12:48 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/4/987/pdf |
| article xml uploaded. | 22 February 2021 12:48 CET | Update | https://www.mdpi.com/1996-1073/14/4/987/xml |
| article xml file uploaded | 22 February 2021 12:48 CET | Original file | - |
| article pdf uploaded. | 13 February 2021 13:59 CET | Version of Record | https://www.mdpi.com/1996-1073/14/4/987/pdf-vor |
