| article html file updated | 7 February 2020 06:46 CET | Update | https://www.mdpi.com/2071-1050/8/4/328 |
| article html file updated | 5 May 2019 19:43 CEST | Update | - |
| article html file updated | 27 March 2019 00:55 CET | Update | - |
| article html file updated | 29 April 2016 05:48 CEST | Update | - |
| article html file updated | 1 April 2016 11:54 CEST | Original file | - |
| article xml uploaded. | 1 April 2016 11:53 CEST | Update | https://www.mdpi.com/2071-1050/8/4/328/xml |
| article pdf uploaded. | 1 April 2016 11:53 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/4/328/pdf |
