| article html file updated | 14 February 2020 12:34 CET | Update | https://www.mdpi.com/2076-0787/8/4/180 |
| article html file updated | 24 November 2019 07:50 CET | Original file | - |
| article pdf uploaded. | 24 November 2019 07:49 CET | Version of Record | https://www.mdpi.com/2076-0787/8/4/180/pdf |
| article xml uploaded. | 24 November 2019 07:49 CET | Update | https://www.mdpi.com/2076-0787/8/4/180/xml |
| article xml file uploaded | 24 November 2019 07:49 CET | Original file | - |
