| article html file updated | 7 February 2020 15:48 CET | Update | https://www.mdpi.com/1996-1944/9/10/809 |
| article html file updated | 5 May 2019 02:38 CEST | Update | - |
| article html file updated | 27 October 2016 11:37 CEST | Update | - |
| article html file updated | 29 September 2016 12:48 CEST | Original file | - |
| article xml uploaded. | 29 September 2016 12:46 CEST | Update | https://www.mdpi.com/1996-1944/9/10/809/xml |
| article xml uploaded. | 29 September 2016 12:46 CEST | Original file | - |
| article pdf uploaded. | 29 September 2016 12:46 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/10/809/pdf |
