| article html file updated | 7 February 2020 07:24 CET | Update | https://www.mdpi.com/2071-1050/8/4/379 |
| article html file updated | 5 May 2019 18:23 CEST | Update | - |
| article html file updated | 27 March 2019 02:08 CET | Update | - |
| article html file updated | 29 April 2016 06:02 CEST | Update | - |
| article html file updated | 16 April 2016 10:45 CEST | Original file | - |
| article xml uploaded. | 16 April 2016 10:44 CEST | Original file | https://www.mdpi.com/2071-1050/8/4/379/xml |
| article pdf uploaded. | 16 April 2016 10:44 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/4/379/pdf |
