| article html file updated | 14 February 2020 08:52 CET | Update | https://www.mdpi.com/2227-9032/7/4/142 |
| article html file updated | 30 December 2019 09:54 CET | Update | - |
| article html file updated | 12 November 2019 09:54 CET | Original file | - |
| article pdf uploaded. | 12 November 2019 09:53 CET | Version of Record | https://www.mdpi.com/2227-9032/7/4/142/pdf |
| article xml uploaded. | 12 November 2019 09:53 CET | Update | https://www.mdpi.com/2227-9032/7/4/142/xml |
| article xml file uploaded | 12 November 2019 09:53 CET | Original file | - |
