| article html file updated | 7 February 2020 15:34 CET | Update | https://www.mdpi.com/1996-1073/9/10/777 |
| article html file updated | 5 May 2019 03:02 CEST | Update | - |
| article html file updated | 28 October 2016 09:28 CEST | Update | - |
| article html file updated | 27 September 2016 02:48 CEST | Original file | - |
| article xml uploaded. | 27 September 2016 02:46 CEST | Update | https://www.mdpi.com/1996-1073/9/10/777/xml |
| article xml uploaded. | 27 September 2016 02:46 CEST | Original file | - |
| article pdf uploaded. | 27 September 2016 02:46 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/10/777/pdf |
