| article html file updated | 7 February 2020 15:53 CET | Update | https://www.mdpi.com/2071-1050/8/10/993 |
| article html file updated | 5 May 2019 02:30 CEST | Update | - |
| article html file updated | 28 October 2016 09:59 CEST | Update | - |
| article html file updated | 30 September 2016 12:35 CEST | Original file | - |
| article xml uploaded. | 30 September 2016 12:33 CEST | Update | https://www.mdpi.com/2071-1050/8/10/993/xml |
| article xml uploaded. | 30 September 2016 12:33 CEST | Original file | - |
| article pdf uploaded. | 30 September 2016 12:33 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/10/993/pdf |
