| article html file updated | 8 February 2020 14:23 CET | Update | https://www.mdpi.com/1996-1073/10/9/1256 |
| article html file updated | 3 May 2019 05:19 CEST | Update | - |
| article html file updated | 30 September 2017 07:53 CEST | Update | - |
| article html file updated | 24 August 2017 15:35 CEST | Original file | - |
| article xml uploaded. | 24 August 2017 15:33 CEST | Update | https://www.mdpi.com/1996-1073/10/9/1256/xml |
| article xml uploaded. | 24 August 2017 15:33 CEST | Original file | - |
| article pdf uploaded. | 24 August 2017 15:33 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/9/1256/pdf |
