| article html file updated | 14 February 2020 05:16 CET | Update | https://www.mdpi.com/2079-9276/8/4/169 |
| article html file updated | 30 December 2019 23:30 CET | Update | - |
| article html file updated | 30 October 2019 13:03 CET | Original file | - |
| article pdf uploaded. | 30 October 2019 13:02 CET | Version of Record | https://www.mdpi.com/2079-9276/8/4/169/pdf |
| article xml uploaded. | 30 October 2019 13:02 CET | Update | https://www.mdpi.com/2079-9276/8/4/169/xml |
| article xml file uploaded | 30 October 2019 13:02 CET | Original file | - |
