| article html file updated | 29 August 2025 22:56 CEST | Update | https://www.mdpi.com/1996-1944/9/4/273 |
| article html file updated | 16 July 2022 02:08 CEST | Update | - |
| article html file updated | 7 February 2020 06:57 CET | Update | - |
| article html file updated | 5 May 2019 19:20 CEST | Update | - |
| article html file updated | 27 March 2019 01:16 CET | Update | - |
| article html file updated | 28 April 2016 11:01 CEST | Update | - |
| article html file updated | 7 April 2016 11:35 CEST | Original file | - |
| article xml uploaded. | 7 April 2016 11:34 CEST | Original file | https://www.mdpi.com/1996-1944/9/4/273/xml |
| article pdf uploaded. | 7 April 2016 11:34 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/4/273/pdf |
