| article html file updated | 7 February 2020 07:08 CET | Update | https://www.mdpi.com/1996-1944/9/4/282 |
| article html file updated | 5 May 2019 18:53 CEST | Update | - |
| article html file updated | 27 March 2019 01:38 CET | Update | - |
| article html file updated | 28 April 2016 11:05 CEST | Update | - |
| article html file updated | 12 April 2016 10:37 CEST | Original file | - |
| article xml uploaded. | 12 April 2016 10:36 CEST | Original file | https://www.mdpi.com/1996-1944/9/4/282/xml |
| article pdf uploaded. | 12 April 2016 10:36 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/4/282/pdf |
