| article html file updated | 7 February 2020 14:40 CET | Update | https://www.mdpi.com/2225-1154/4/3/45 |
| article html file updated | 5 May 2019 04:40 CEST | Update | - |
| article html file updated | 28 September 2016 08:10 CEST | Update | - |
| article html file updated | 8 September 2016 12:34 CEST | Original file | - |
| article xml uploaded. | 8 September 2016 12:32 CEST | Update | https://www.mdpi.com/2225-1154/4/3/45/xml |
| article xml uploaded. | 8 September 2016 12:32 CEST | Update | - |
| article xml uploaded. | 8 September 2016 12:32 CEST | Original file | - |
| article pdf uploaded. | 8 September 2016 12:32 CEST | Version of Record | https://www.mdpi.com/2225-1154/4/3/45/pdf |
