| article html file updated | 25 November 2020 08:31 CET | Original file | https://www.mdpi.com/2079-9292/9/12/1997 |
| article pdf uploaded. | 25 November 2020 08:28 CET | Version of Record | https://www.mdpi.com/2079-9292/9/12/1997/pdf |
| article xml uploaded. | 25 November 2020 08:28 CET | Update | https://www.mdpi.com/2079-9292/9/12/1997/xml |
| article xml file uploaded | 25 November 2020 08:28 CET | Original file | N/A |
