| article html file updated | 14 February 2020 10:00 CET | Update | https://www.mdpi.com/2079-9268/9/4/30 |
| article html file updated | 15 November 2019 19:29 CET | Original file | - |
| article pdf uploaded. | 15 November 2019 10:10 CET | Version of Record | https://www.mdpi.com/2079-9268/9/4/30/pdf |
| article xml uploaded. | 15 November 2019 10:10 CET | Update | https://www.mdpi.com/2079-9268/9/4/30/xml |
| article xml file uploaded | 15 November 2019 10:10 CET | Original file | - |
