| article html file updated | 12 February 2020 23:49 CET | Update | https://www.mdpi.com/2227-7102/9/3/169 |
| article html file updated | 26 September 2019 14:55 CEST | Update | - |
| article html file updated | 3 July 2019 06:33 CEST | Original file | - |
| article pdf uploaded. | 3 July 2019 06:32 CEST | Version of Record | https://www.mdpi.com/2227-7102/9/3/169/pdf |
| article xml uploaded. | 3 July 2019 06:31 CEST | Update | https://www.mdpi.com/2227-7102/9/3/169/xml |
| article xml file uploaded | 3 July 2019 06:31 CEST | Original file | - |
