| article html file updated | 8 February 2020 03:11 CET | Update | https://www.mdpi.com/1996-1073/10/4/505 |
| article html file updated | 24 September 2019 05:35 CEST | Update | - |
| article html file updated | 4 May 2019 02:59 CEST | Update | - |
| article html file updated | 28 April 2017 06:12 CEST | Update | - |
| article html file updated | 8 April 2017 13:27 CEST | Original file | - |
| article xml uploaded. | 8 April 2017 13:26 CEST | Original file | https://www.mdpi.com/1996-1073/10/4/505/xml |
| article pdf uploaded. | 8 April 2017 13:26 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/4/505/pdf |
