| article html file updated | 14 February 2020 09:53 CET | Update | https://www.mdpi.com/2227-9032/7/4/146 |
| article html file updated | 30 December 2019 09:56 CET | Update | - |
| article html file updated | 15 November 2019 04:17 CET | Original file | - |
| article pdf uploaded. | 15 November 2019 04:16 CET | Version of Record | https://www.mdpi.com/2227-9032/7/4/146/pdf |
| article xml uploaded. | 15 November 2019 04:16 CET | Update | https://www.mdpi.com/2227-9032/7/4/146/xml |
| article xml file uploaded | 15 November 2019 04:16 CET | Original file | - |
