| article html file updated | 8 February 2020 14:03 CET | Update | https://www.mdpi.com/1996-1944/10/8/973 |
| article html file updated | 26 September 2019 15:55 CEST | Update | - |
| article html file updated | 3 May 2019 05:58 CEST | Update | - |
| article html file updated | 1 September 2017 09:58 CEST | Update | - |
| article html file updated | 21 August 2017 12:14 CEST | Original file | - |
| article xml uploaded. | 21 August 2017 12:13 CEST | Update | https://www.mdpi.com/1996-1944/10/8/973/xml |
| article xml uploaded. | 21 August 2017 12:13 CEST | Original file | - |
| article pdf uploaded. | 21 August 2017 12:13 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/8/973/pdf |
