| article html file updated | 7 February 2020 14:26 CET | Update | https://www.mdpi.com/2071-1050/8/9/892 |
| article html file updated | 5 May 2019 05:07 CEST | Update | - |
| article html file updated | 27 September 2016 05:18 CEST | Update | - |
| article html file updated | 3 September 2016 12:40 CEST | Original file | - |
| article xml uploaded. | 3 September 2016 12:39 CEST | Update | https://www.mdpi.com/2071-1050/8/9/892/xml |
| article xml uploaded. | 3 September 2016 12:39 CEST | Original file | - |
| article pdf uploaded. | 3 September 2016 12:39 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/9/892/pdf |
