| article html file updated | 7 February 2020 15:31 CET | Update | https://www.mdpi.com/2071-1050/8/10/972 |
| article html file updated | 5 May 2019 03:09 CEST | Update | - |
| article html file updated | 28 October 2016 09:45 CEST | Update | - |
| article html file updated | 24 September 2016 13:04 CEST | Original file | - |
| article xml uploaded. | 24 September 2016 13:02 CEST | Update | https://www.mdpi.com/2071-1050/8/10/972/xml |
| article xml uploaded. | 24 September 2016 13:02 CEST | Original file | - |
| article pdf uploaded. | 24 September 2016 13:02 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/10/972/pdf |
