| article html file updated | 31 August 2025 04:36 CEST | Update | https://www.mdpi.com/2227-7102/9/4/274 |
| article html file updated | 21 August 2025 23:19 CEST | Update | - |
| article html file updated | 19 July 2022 23:41 CEST | Update | - |
| article html file updated | 14 February 2020 09:37 CET | Update | - |
| article html file updated | 14 November 2019 10:51 CET | Original file | - |
| article pdf uploaded. | 14 November 2019 10:50 CET | Version of Record | https://www.mdpi.com/2227-7102/9/4/274/pdf |
| article xml uploaded. | 14 November 2019 10:50 CET | Update | https://www.mdpi.com/2227-7102/9/4/274/xml |
| article xml file uploaded | 14 November 2019 10:50 CET | Original file | - |
