| article html file updated | 7 February 2020 23:34 CET | Update | https://www.mdpi.com/1996-1073/10/2/236 |
| article html file updated | 23 September 2019 08:52 CEST | Update | - |
| article html file updated | 4 May 2019 10:55 CEST | Update | - |
| article html file updated | 28 February 2017 10:42 CET | Update | - |
| article html file updated | 16 February 2017 15:29 CET | Original file | - |
| article xml uploaded. | 16 February 2017 15:28 CET | Update | https://www.mdpi.com/1996-1073/10/2/236/xml |
| article xml uploaded. | 16 February 2017 15:28 CET | Original file | - |
| article pdf uploaded. | 16 February 2017 15:28 CET | Version of Record | https://www.mdpi.com/1996-1073/10/2/236/pdf |
