| article html file updated | 12 February 2020 09:54 CET | Update | https://www.mdpi.com/2079-9284/6/2/29 |
| article html file updated | 19 October 2019 13:05 CEST | Update | - |
| article html file updated | 5 May 2019 10:08 CEST | Original file | - |
| article pdf uploaded. | 5 May 2019 10:07 CEST | Version of Record | https://www.mdpi.com/2079-9284/6/2/29/pdf |
| article xml uploaded. | 5 May 2019 10:07 CEST | Update | https://www.mdpi.com/2079-9284/6/2/29/xml |
| article xml file uploaded | 5 May 2019 10:07 CEST | Original file | - |
