| article html file updated | 11 February 2020 21:54 CET | Update | https://www.mdpi.com/1996-1073/12/6/974 |
| article html file updated | 16 October 2019 12:48 CEST | Update | - |
| article html file updated | 26 April 2019 03:53 CEST | Update | - |
| article html file updated | 11 April 2019 22:57 CEST | Update | - |
| article html file updated | 4 April 2019 12:29 CEST | Update | - |
| article html file updated | 13 March 2019 10:16 CET | Original file | - |
| article pdf uploaded. | 13 March 2019 10:15 CET | Version of Record | https://www.mdpi.com/1996-1073/12/6/974/pdf |
| article xml uploaded. | 13 March 2019 10:15 CET | Update | https://www.mdpi.com/1996-1073/12/6/974/xml |
| article xml file uploaded | 13 March 2019 10:15 CET | Original file | - |
