| article html file updated | 7 February 2020 21:43 CET | Update | https://www.mdpi.com/1996-1073/10/1/112 |
| article html file updated | 22 September 2019 22:46 CEST | Update | - |
| article html file updated | 4 May 2019 14:39 CEST | Update | - |
| article html file updated | 7 February 2017 10:02 CET | Update | - |
| article html file updated | 18 January 2017 13:09 CET | Original file | - |
| article xml uploaded. | 18 January 2017 13:08 CET | Original file | https://www.mdpi.com/1996-1073/10/1/112/xml |
| article pdf uploaded. | 18 January 2017 13:08 CET | Version of Record | https://www.mdpi.com/1996-1073/10/1/112/pdf |
