| article html file updated | 30 July 2022 07:15 CEST | Update | https://www.mdpi.com/2227-9709/8/4/64 |
| article html file updated | 24 September 2021 04:11 CEST | Update | - |
| article pdf uploaded. | 24 September 2021 04:09 CEST | Updated version of record | https://www.mdpi.com/2227-9709/8/4/64/pdf |
| article xml uploaded. | 24 September 2021 04:09 CEST | Update | https://www.mdpi.com/2227-9709/8/4/64/xml |
| article xml file uploaded | 24 September 2021 04:09 CEST | Update | - |
| article html file updated | 23 September 2021 14:50 CEST | Original file | - |
| article pdf uploaded. | 23 September 2021 14:49 CEST | Version of Record | https://www.mdpi.com/2227-9709/8/4/64/pdf-vor |
| article xml uploaded. | 23 September 2021 14:49 CEST | Update | - |
| article xml file uploaded | 23 September 2021 14:49 CEST | Original file | - |
