| article html file updated | 7 February 2020 17:38 CET | Update | https://www.mdpi.com/2079-9292/5/4/75 |
| article html file updated | 22 September 2019 04:56 CEST | Update | - |
| article html file updated | 4 May 2019 23:15 CEST | Update | - |
| article html file updated | 29 December 2016 11:05 CET | Update | - |
| article html file updated | 8 November 2016 03:51 CET | Original file | - |
| article xml uploaded. | 8 November 2016 03:50 CET | Update | https://www.mdpi.com/2079-9292/5/4/75/xml |
| article xml uploaded. | 8 November 2016 03:50 CET | Update | - |
| article xml uploaded. | 8 November 2016 03:50 CET | Original file | - |
| article pdf uploaded. | 8 November 2016 03:50 CET | Version of Record | https://www.mdpi.com/2079-9292/5/4/75/pdf |
