| article html file updated | 7 February 2020 16:02 CET | Update | https://www.mdpi.com/1996-1073/9/10/804 |
| article html file updated | 5 May 2019 02:13 CEST | Update | - |
| article html file updated | 28 October 2016 09:52 CEST | Update | - |
| article html file updated | 8 October 2016 12:30 CEST | Original file | - |
| article xml uploaded. | 8 October 2016 12:29 CEST | Update | https://www.mdpi.com/1996-1073/9/10/804/xml |
| article xml uploaded. | 8 October 2016 12:29 CEST | Original file | - |
| article pdf uploaded. | 8 October 2016 12:29 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/10/804/pdf |
