| article html file updated | 7 February 2020 05:32 CET | Update | https://www.mdpi.com/2071-1050/8/3/247 |
| article html file updated | 5 May 2019 22:13 CEST | Update | - |
| article html file updated | 26 March 2019 22:46 CET | Update | - |
| article html file updated | 31 March 2016 08:41 CEST | Original file | - |
| article pdf uploaded. | 8 March 2016 08:47 CET | Version of Record | https://www.mdpi.com/2071-1050/8/3/247/pdf |
| article xml uploaded. | 8 March 2016 08:47 CET | Original file | https://www.mdpi.com/2071-1050/8/3/247/xml |
