| article html file updated | 17 March 2020 10:12 CET | Original file | https://www.mdpi.com/2227-7102/10/3/73 |
| article pdf uploaded. | 17 March 2020 10:11 CET | Updated version of record | https://www.mdpi.com/2227-7102/10/3/73/pdf |
| article xml uploaded. | 17 March 2020 10:11 CET | Update | https://www.mdpi.com/2227-7102/10/3/73/xml |
| article xml file uploaded | 17 March 2020 10:11 CET | Update | - |
| article pdf uploaded. | 13 March 2020 16:33 CET | Version of Record | https://www.mdpi.com/2227-7102/10/3/73/pdf-vor |
| article xml file uploaded | 13 March 2020 16:33 CET | Original file | - |
